Hi Gigi, Low carb and keto is about the balance of macronutrients eaten (fat, protein and carbs), not specifically meat or lack thereof. Most people on keto do eat meat, though some people do vegetarian keto. Fat is actually necessary for many body processes. There is no issue for the kidneys with a high fat diet, but if you eat too much protein that isn’t great for the kidneys. It’s a common misconception that keto is high protein (it isn’t). Keto is great for diabetics as it naturally helps stabilize insulin. All of this being said, please know I’m not a doctor and you should consult your doctor on any medical questions or before starting any diet. If you have more questions that aren’t medical questions, I recommend our low carb & keto support group here.
We have all heard of essential fatty acids (EFAs) and essential amino acids (EAAs), but have you ever heard of essential carbohydrates? No. The human body is capable of burning fat for fuel. If the body can burn fat for fuel, why would you ingest a substance (carbohydrate) that raises your blood sugar, raises your insulin levels, and makes you sick? Why would the ADA advocate the very diet that made us sick in the first place? When are they going to admit they’ve been wrong and start doing what is in the best interest of diabetics?
As mentioned earlier, the ketogenic diet focuses on weight loss. The human body requires more effort to turn fat into energy whereas it takes less time to turn carbohydrates into energy. This is the reason; ketogenic diet helps in a quick weight loss. Since, the ketogenic diet includes some amount of protein as well; it keeps you full for a longer time. Therefore, you tend to shed those extra pounds.
4. Better eyesight. The diet could help stave off or prevent macular degeneration, the leading cause of vision loss after age 54. The condition, which affects more than 10 million Americans, destroys the part of your retina responsible for the clear central vision you need to read, drive, and recognize faces. A recent study linked eating fish and vegetables to a reduced risk of getting it early, and the omega-3 fatty acids in fish can lower the risk of the disease altogether. What's more, the lutein in green leafy vegetables cuts your chance of cataracts and boosts retinal health, says Dr. Willett.
Keto breath, on the other hand, is less of a side-effect and more of a harmless inconvenience (your breath literally smells like nail polish remover). Basically, when your body breaks down all that extra fat on the keto diet, it produces ketones—one of which is the chemical acetone, Keatley previously told WomensHealthMag.com. (Yes, the same stuff that's in nail polish remover.)
The Mediterranean diet has long been recognized as one of the healthiest and most delicious ways to eat. The core concept behind this healthy diet is to eat like the people who live in the Mediterranean region—fill your plate with fresh fruits and vegetables, healthy fats, whole grains, legumes and fish and enjoy moderate amounts of red wine. This 7-day Mediterranean meal plan features these good-for-you foods and delicious flavors for a week of healthy of eating. Plus, at 1,200 calories you're on track to lose a healthy 1 to 2 pounds per week.
Walnuts are packed with tryptophan, an amino acid your body needs to create the feel-great chemical serotonin. (In fact, Spanish researchers found that walnut eaters have higher levels of this natural mood-regulator.) Another perk: "They're digested slowly," said Dr. David Katz, director of the Yale Prevention Research Center. "This contributes to mood stability and can help you tolerate stress."
If you like eating meat and want to lose weight, you might be tempted to try this recent extreme diet fad that proponents have made some pretty outrageous claims about. One: that eating nothing but meat can cure you of autoimmune diseases. The problem is that there’s no good research to support that notion, or any other health claim, for that matter. Indeed, omitting foods known to be good for you — fruits and veggies among them — can lead to a bunch of unwanted side effects, including constipation and potentially dangerous nutrient deficiencies. Still, since you’re cutting out so many food groups, there’s a decent chance you’ll lose weight, experts say. Regardless of any possible benefits you might see, this restrictive approach is definitely one you’ll want to ask your doc about before you even consider diving in.
When it comes to managing diabetes, it is reasonable that reducing carbohydrate intake can help to lower and stabilize blood glucose levels. The positive effects of the ketogenic diet on diabetes control have been demonstrated in animal models, as well as in humans. We recently reported on several studies that demonstrated substantial metabolic benefits.
The author wrote this out of angst because she failed at the ketogenic diet. It’s not a “hard” diet and you don’t have to give up all forms of desserts. You just have to learn to cook using stevia, almond or coconut flour instead of the white refined flours the author is addicted to. The information presented is false as well. The ketogenic diet has great benefits for the type two diabetic or prediabetic specifically.
But beyond that, experts aren't convinced that the keto diet has any other scientifically-proven health benefits. In fact, it may have some distinct downsides. If you follow the keto diet incorrectly, for example (like by eating lots of saturated fats, versus healthy unsaturated fats), you're at risk of raising your cholesterol levels. “The best strategy to keep your heart healthy is to get as much fat as possible from unsaturated sources such as olive, avocado and canola oils, nuts, seeds, avocados, and olives," says Ansel.
The food options available on the DASH diet closely mirror the eating plan recommended in the US Department of Agriculture’s MyPlate, with a focus on whole foods, such as fruit and veggies; fat-free or low-fat dairy; whole grains; and lean meats, like fish and poultry. (3) Meanwhile, the plan requires cutting back on, or preferably eliminating, processed foods, like sugary drinks and packaged snacks, and limiting red meat, which in excess has been linked to poorer heart health and heart failure, according to a study published in the journal Nutrition, Metabolism and Cardiovascular Diseases. (4)
The other nutritional remedy for T2 diabetes is carbohydrate restriction. In a large, ongoing university-based study, 60% of patients with Type 2 diabetes reversed their diagnosis of diabetes after just one year on a ketogenic diet, supplemented by support via a mobile phone app.11 On this protocol, 94% of participants reduced or eliminated their need for insulin medications while improving the vast majority of cardiovascular risk factors.12
Sautéed carrots and onions. Sauté 1 medium onion, thinly sliced, in 1 tablespoon olive oil or canola oil. Add about 8 ounces sliced carrots, and continue to sauté until the carrots are soft. Add 1 thin pat of butter at the end. (Hints: Top the turkey with the sautéed carrots for extra flavor. If you like very soft carrots, microwave first before sautéing.)
Like peanuts, lentils also contain genistein, but their weight loss powers don’t end there. In one four-week Spanish study, researchers found that eating a calorie-restricted diet that also included four weekly servings of legumes aided weight loss more effectively than an equivalent diet sans the pulses. Those who consumed the legume-rich diet also saw improvements in their “bad” LDL cholesterol levels and systolic blood pressure. Next time you’re cooking something starchy for dinner, consider eating fiber and protein-packed lentils instead.
So how does this work? A quick run-through: The first tip was to eat low carb. This is because a low-carb diet lowers your levels of the fat-storing hormone insulin, allowing your fat deposits to shrink and release their stored energy. This tends to cause you to want to consume fewer calories than you expend – without hunger – and lose weight. Several of the tips mentioned above are about fine-tuning your diet to better this effect.
Earlier this month during a taping of HeartTalk presented by Capital Cardiology Associates, Dr. James O’Brien mentioned the Mediterranean diet. He said it was a diet that he strongly recommend for patients with heart disease. Now, being a health and fitness enthusiast and a 40-year old man with a family history of diabetes and heart disease, I am always open to ways to improve my heart health.
In regard to serum measurements, the mean fasting glucose decreased by 17% from 9.08 ± 4.09 mmol/L at baseline to 7.57 ± 2.63 mmol/L at week 16 (p = 0.04) (Table (Table4).4). Serum sodium and chloride levels increased significantly, but only by 1% and 3%, respectively. Uric acid level decreased by 10% (p = 0.01). Serum triglyceride decreased 42% from 2.69 ± 2.87 mmol/L to 1.57 ± 1.38 mmol/L (p = 0.001). Increases occurred in both high-density lipoprotein (HDL) cholesterol (8%) and low-density lipoprotein (LDL) cholesterol (10%) but these changes were of borderline statistical significance (p = 0.08 and p = 0.1, respectively). The following blood tests did not change significantly: total cholesterol, potassium, bicarbonate, urea nitrogen, creatinine, calcium, thyroid-stimulating hormone, and hemoglobin.
There are numerous benefits that come with being on keto: from weight loss and increased energy levels to therapeutic medical applications. Most anyone can safely benefit from eating a low-carb, high-fat diet. Below, you’ll find a short list of the benefits you can receive from a ketogenic diet. For a more comprehensive list, you can also read our in-depth article here >
I’m Dr. Caroline Apovian–the medical nutrition expert for DASH for Health. I bring over a decade of experience in helping people lose weight to the DASH diet program. I use the successes my patients have had to help the people using this system achieve healthy weight loss. You won’t find any claims here that weight loss is easy and effortless, but the DASH diet makes it simple. When you first log in, you will calculate how many calories you should be eating each day. From there, you will get access to your DASH eating plan. You can track your food intake, exercise and weight all in the DASH for Health system. Also, you can receive real-time progress reports that show you how you are doing.
Either there are very few participants in the studies, they don’t have an even number of males vs. females, or they don’t last but a few months. One study only looked at 28 people; only 21 completed the study and 20 of these participants were men. On top of this, they were only followed for 16 weeks. Okay, so we see that 20 men can limit their carbohydrates severely for 4 months and lose weight which automatically makes their A1c come down. Great! So, the real question is, how long can these 20 men stay on this diet for the rest of their lives? How long would you like to go without eating any fresh fruit? I’m craving some now, so I’m taking a break to go grab a snack now!
Type 2 diabetes is one of the most pressing challenges of our time and its ultimate cause has not been fully understood. Ketogenic diets, which are low in carbohydrate and high in fat, are known to lead to weight loss and have been considered to be healthy. These findings raise new questions about ketogenic diets and whether or not they are actually healthy.
“We have basically no evidence that this diet is consistent with human health over time,” says Dr. Katz. (Its heavy emphasis on animal protein isn’t ecologically sustainable, either, he adds.) “All of the evidence we have points toward a plant-predominant diet with an emphasis on vegetables, whole grains, fruits, nuts, and seeds—all of the very things that the ketogenic diet avoids.”
People use a ketogenic diet most often to lose weight, but it can help manage certain medical conditions, like epilepsy, too. It also may help people with heart disease, certain brain diseases, and even acne, but there needs to be more research in those areas. Talk with your doctor first to find out if it’s safe for you to try a ketogenic diet, especially if you have type 1 diabetes.
SOURCES: WebMD Feature: "With Fruits and Veggies, More Matters." 2005 U.S. Dietary Guidelines. Elizabeth Ward, MS, RD, author, The Pocket Idiot's Guide to the New Food Pyramids. Elaine Magee, MPH, RD,author, Comfort Food Makeovers. Brian Wansink, PhD, professor and director, Cornell Food and Brand Lab, Ithaca, N.Y.; author, Mindless Eating. Barbara Rolls, PhD, professor of nutritional sciences; and director, laboratory for the study of human ingestive behaviors, Penn State University; and author, The Volumetrics Eating Plan.
Weight Watchers – the diet your nan used to follow – is no more. In 2018, the company had a re-brand, with the new WW branding signalling a move away from diet culture and into the wellness-sphere – hint: WW now stands for ‘Wellness that Works’. ‘We are not classed as a diet,’ a member of the press office team tells WH. ‘It is a lifestyle change – a healthy living programme that encompasses food, activity and mindset.’
There are many ways in which epilepsy occurs. Examples of pathological physiology include: unusual excitatory connections within the neuronal network of the brain; abnormal neuron structure leading to altered current flow; decreased inhibitory neurotransmitter synthesis; ineffective receptors for inhibitory neurotransmitters; insufficient breakdown of excitatory neurotransmitters leading to excess; immature synapse development; and impaired function of ionic channels.
“A healthy diet should be a sustainable eating plan that provides adequate nutrition to support optimal health,” Taylor says. “For many people with diabetes, a low-carb diet is a temporary tool that can be used to support short-term weight loss and improved blood sugar control. However, I typically don't recommend sticking with a low-carb diet permanently, as many micronutrient deficiencies can result from an unbalanced eating plan. I like to think of low-carb diets as a possible ‘stepping stone,’ not a ‘forever diet.’”
Thank you for this info. I will be copying the link to send to some folks ready to jump on this new trend. In fact I had a resident (I am a CDM) come in to our re-hab facility in pretty bad shape. He was unable to speak with me so I spoke with his wife. The man had come in after having a TIA. He was a diabetic, as well. The wife told me that she had her husband 9and herself) on a keto diet. When she saw the size my eyes got for some reason she got angry and very defensive and screamed “Forget everything you have been taught. It is all crap”. I understand when folks are worried abut their loved ones they can get pretty emotional. I asked my standard question about chew/swallowing, UBW and food allergies and quickly left. I spoke with the RD (a CDE) about what had happened. She tried to speak with the resident and his wife and got the same treatment. The RD said to me “He will have another stroke in a week”. He had one in 3 days. Unfortunately with this stroke, he got anew diagnosis of severe dysphagia. SLP tried and tried but he would aspirate on everything. He had to be pegged. He was brought back to the facility. The wife was taught how to feed him through the tube. He left the facility and passed quietly about 3 weeks later. I reached out to the wife on his second stay and we became fairly close. She said she thought she was doing the best thing for him because he was over weight. I get it. She only wanted a healthy husband. She apologized for being so quick when we met. I thanked her for actually educating me on this diet. I was not aware there was such a thing.
When you eat foods high in carbohydrates and fat, your body naturally produces glucose. Carbohydrates are the easiest thing for the body to process, and therefore it will use them first – resulting in the excess fats to be stored immediately. In turn, this causes weight gain and health problems that are associated with high fat, high carbohydrate diets (NOT keto).
Without peer-reviewed clinical trials, many of the benefits remain anecdotal. For instance, Weiss himself has been on a low-carb high-fat (though not strictly ketogenic) diet for more than six months, and claims he does feel much better. But he’s clear about what he knows and what he doesn’t. He’s lost weight and his borderline pre-diabetes is gone.
Also, to the author I do appreciate you stating you are bias up front, but I do get to indulge with some fruit/berries when I want. You dont give up everything forever but you learn to fit them into your macros. I have learned to make Keto ice cream and fat bombs if the urge comes along. I have learned to take keto friendly foods along to potlucks that everyone loves. Keto can be a way to follow forever but everyone has their own needs for their bodies. I am new to this but finding it easier and easier to remain keto
As Tammy points out, diets are diets, and many people nowadays think/feel that diets are a “time/value-based goal”. “If I just get my weight down, or if I just fix this, then I’ll be all set…” WRONG!!! There in lies the first problem. How long can it be maintained? Well that’s a good point. The real question is, how long is one committed to changing their life, and how strong is their desire to do it. ALL things that one wants to change in life, require a change in to the way their living and/or perceiving life. They require a life-style change. One could attempt a Mediterranean diet, and yet relapse back to “normal” eating after 3mos, 1yr, 3yrs, etc.. It doesn’t really matter if the change isn’t first on the mental and emotional level. Unfortunately, many first-world daily diets (namely American) incorporate many foods that are addictive which can cause cravings. And yes, the cravings are scientifically prove-able, and have been proved. We grow up thinking that it’s “normal” to have your cake (since its the carb of debate lol) and eat it too, because why?… Well because that’s how they were raised. Simply as that. Conditioned living if you will. There are many cultures on this planet that DO NOT grow up eating as many carbs and sweets as the American Diet, and do perfectly fine without all the sugars and carb cravings. And incidentally, they also lead healthier lives too… Go figure.
In recent years, the ketogenic diet has been attracting a lot of attention for the management of numerous health conditions, as well as for weight loss. Some controversy still exists about its safety and efficacy, largely stemming from a lack of longitudinal and mechanistic studies, inconsistencies in diet composition in different cohorts, and disagreement in conclusions between research conducted on animal vs. human populations.
If you ate a hearty breakfast, you won’t be hungry until lunch. It’s best to brown-bag it because you can control the ingredients and portions, but if you eat out, look for grilled fish and salad as a menu option. Don’t eat at your desk while writing a report, but go to the park with a friend or join your co-workers in the lunch room. Bringing leftovers is also a good lunch option.
In summary, the LCKD had positive effects on body weight, waist measurement, serum triglycerides, and glycemic control in a cohort of 21 participants with type 2 diabetes. Most impressive is that improvement in hemoglobin A1c was observed despite a small sample size and short duration of follow-up, and this improvement in glycemic control occurred while diabetes medications were reduced substantially in many participants. Future research must further examine the optimal medication adjustments, particularly for diabetes and diuretic agents, in order to avoid possible complications of hypoglycemia and dehydration. Because the LCKD can be very effective at lowering blood glucose, patients on diabetes medication who use this diet should be under close medical supervision or capable of adjusting their medication.
Milk is limited. There are no long-term risks to eating Mediterranean, says Cohen. But you may be put off if you’re big on eating a lot of milk and rely on it to get all the calcium you need. You’ll get to eat cheese and yogurt, but in smaller amounts. "To get enough calcium in the diet without milk, one would need to eat enough yogurt and cheese, or seek nondairy calcium sources," says Cohen. If needed, drink skim milk. Otherwise, nondairy calcium sources include fortified almond milk, sardines, kale, and tofu made with calcium sulfate. (30)
The more doctors test it, the more they find that eating Mediterranean is the absolute best way to lose weight. Based on the cooking and eating styles of Italy, France, Greece, Spain, and other Mediterranean countries, the plan features olive oil, fruits and vegetables, nuts, legumes, fish and poultry, whole grains and, yes, wine! It's high in heart-healthy fats and, unlike other diets, doesn't forbid any food group. "It's hard to stay on extreme diets," says Harvard nutrition expert Walter Willett, MD, PhD, whose book Eat, Drink, and Be Healthy popularized the approach in the United States. "This diet has lots of variety and wonderful flavors so people stick with it."
While body weight decreased significantly (-8.5 kg) in these 21 diabetic participants, the mean weight loss was less compared with what we observed in the LCKD participants of an earlier trial (-12.0 kg) . Given that the diabetic participants had a higher baseline mean weight than the LCKD participants of our previous trial (131 kg vs. 97 kg), this translates into an even more dramatic disparity in percent change in body weight (-6.6% vs. -12.9%). This lesser weight loss might result from several factors. First, in the current study, most of the participants were taking insulin and/or oral hypoglycemic agents that are known to induce weight gain[20,21] Second, these same agents, particularly insulin, inhibit ketosis, which is strived for in the earliest phases of the LCKD; while it remains unclear whether ketones actually play a role in weight loss on the LCKD, previous research in non-diabetic patients has shown a positive correlation between level of ketonuria and weight loss success . Lastly, compared with our previous study the participants in the current study had more comorbid illness, lower socioeconomic status, and a shorter duration of follow-up (16 weeks versus 24 weeks), all of which are associated with reduced success on any weight loss program .
Lele says that it’s important to remember that, while keto is a “high fat” diet, the goal is to use your body fat as an energy source, not the fat that’s on your plate. “You don’t need to necessarily add more fats to your diet to adhere to keto. For instance, if your dinner consists of avocado, bacon, and eggs, you really don’t need to add butter to that to make it ‘more keto’,” she says.
Check the nutrition labels on all your products to see if they’re high in carbs. There are hidden carbs in the unlikeliest of places (like ketchup and canned soups). Try to avoid buying products with dozens of incomprehensible ingredients. Less is usually healthier.Always check the serving sizes against the carb counts. Manufacturers can sometimes recommend inconceivably small serving sizes to seemingly reduce calorie and carb numbers.
Yet it’s an incredibly well-rounded way to lose weight that ditches gimmicks and doesn’t require calorie or macronutrient counting as other diets do. And with the emphasis on healthy fat, it’s satisfying, too. That said, the 2019 U.S. News & World Report Best Diets ranked the Mediterranean diet as No. 1 for Best Diets Overall and it ranks 17 in their list of Best Weight-Loss Diets. (3) The reviewers note that it’s not a slam dunk, and all depends on how you eat. Even healthy diets like the Mediterranean aren’t free-for-all eating plans.
Although the research has yet to discover all of the mechanisms behind why the keto diet is so helpful for diabetics, these four factors do seem to play a significant role in reducing the severity of type 2 diabetes while also helping with the management of type 1 diabetes. If you’d like to learn more about this topic, consider checking out our article on the keto diet and insulin resistance.
There is a lack of scientific research when it comes to the long-term effects of the keto diet. When it comes to healthy eating and weight loss, creating sustainable, lifelong changes will result in the best outcomes. Most importantly, think about how this restrictive eating plan will fit into your lifestyle, and if you are willing to give up what may be some of your favorite foods. It’s important to make time for yourself to prepare meals at home and get regular exercise. Strive for progress, not perfection.
Rami co-founded Tasteaholics with Vicky at the start of 2015 to master the art of creating extremely delicious food while researching the truth behind nutrition, dieting and overall health. You can usually find him marketing, coding or coming up with the next crazy idea because he can’t sit still for too long. His favorite book is The 4-Hour Workweek and artist is Infected Mushroom.
In a second study,2 a Harvard-led research team evaluated the benefit of a ketogenic diet in both children and adults with type 1 diabetes despite concerns about a possible negative effect on growth and development in children following such a restricted diet. These researchers report "exceptional" glucose control with little adverse effects. However, the participants were recruited from a closed Facebook group, TypeOneGrit, for people who follow a diet and diabetes program based on the recommendations in the Diabetes Solution,3 a book by Richard K Bernstein, MD, who devised this program to manage his own type 1 diabetes.
Other diabetes medications. Insulin-releasing tablets (e.g. sulphonylureas) often lead to weight gain. These include: Minodiab, Euglucon, Daonil, and Glibenclamide. Tablets like Avandia, Actos, Starlix and NovoNorm also encourage weight gain. But not Metformin. The newer drugs Victoza and Byetta (injectable) often lead to weight loss, but possible long-term side effects are still unknown. More on diabetes
Eat More Produce. Eating lots of low-calorie, high-volume fruits and vegetables crowds out other foods that are higher in fat and calories. Move the meat off the center of your plate and pile on the vegetables. Or try starting lunch or dinner with a vegetable salad or bowl of broth-based soup, suggests Barbara Rolls, PhD, author of The Volumetrics Eating Plan. The U.S. government's 2005 Dietary Guidelines suggest that adults get 7-13 cups of produce daily. Ward says that's not really so difficult: "Stock your kitchen with plenty of fruits and vegetables and at every meal and snack, include a few servings," she says. "Your diet will be enriched with vitamins, minerals, phytonutrients, fiber, and if you fill up on super-nutritious produce, you won't be reaching for the cookie jar."
Eating out is possible on the DASH Diet, but proceed with caution. Restaurant meals are notoriously salty, oversized and fatty, so you’ll need to be conscientious if you dine out. NHLBI suggests avoiding salt by shunning pickled, cured or smoked items; limiting condiments; choosing fruits or vegetables instead of soup; and requesting the chef find other ways to season your meal. You can also drink alcohol moderately on the DASH Diet.
Switch to Lighter Alternatives. Whenever you can, use the low-fat versions of salad dressings, mayonnaise, dairy products, and other products. "You can trim calories effortlessly if you use low-fat and lighter products, and if the product is mixed in with other ingredients, no one will ever notice," says Magee. More smart substitutions: Use salsa or hummus as a dip; spread sandwiches with mustard instead of mayo; eat plain roasted sweet potatoes instead of loaded white potatoes; use skim milk instead of cream in your coffee; hold the cheese on sandwiches; and use a little vinaigrette on your salad instead of piling on the creamy dressing.
Fat isn’t unlimited either. As with wine, it's possible to get too much of a good thing when it comes to healthy fats. The American Heart Association points out that while the Mediterranean diet meets heart-healthy diet limits for saturated fat, your total fat consumption could be greater than the daily recommended amount if you aren't careful. That’s 65 g per day. (32)
In a bowl, combine 1 1/2 cups low-fat yogurt (any flavor), 1 large egg, 1 cup whole-wheat or buckwheat pancake mix and 3/4 cup fat-free milk. This recipe makes five servings (each serving is four small pancakes). Have one serving now, and pack away four individual servings in the freezer for upcoming meals. Serve with 2 tablespoons light maple syrup, 1 cup fat-free milk and 1 cup fresh strawberries.
Why was the DASH diet been ranked as the best diet, the healthiest diet, and the best diet for diabetes, 8 years in a row? The expert panel of physicians assembled by US New & World Reports chose DASH because it is proven to improve health, has a balance of healthy food groups, and it actually works. And now the Mediterranean diet has jumped out in front. So delicious and heart healthy. DASH has been proven to lower blood pressure and cholesterol, and is associated with lower risk of several types of cancer, heart disease, stroke, heart failure, kidney stones, reduced risk of developing diabetes, can slow the progression of kidney disease, and now is associated with reduced risk of depression.
Fuels and feeds your brain: Ketones provide an immediate hit of energy for your brain, and up to 70% of your brain’s energy needs when you limit carbs. Fat also feeds your brain and keeps it strong. Your brain is at least 60% fat, so it needs loads of good fats to keep it running. Essential fatty acids such as omega-3s help grow and develop the brain, while saturated fat keeps myelin — the layer of insulation around the brain — strong so your neurons can communicate with each other.