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.
When in the hospital, glucose levels are checked several times daily and the patient is monitored for signs of symptomatic ketosis (which can be treated with a small quantity of orange juice). Lack of energy and lethargy are common but disappear within two weeks. The parents attend classes over the first three full days, which cover nutrition, managing the diet, preparing meals, avoiding sugar and handling illness. The level of parental education and commitment required is higher than with medication.
If it all feels a little bit 90s, that’ll be because this was basically the diet that kept Rachel from Friends looking, well, like Rachel from Friends. Think of it as the 20th-century version of no carbs before Marbs. Thankfully though, the old premise of each as much as you want, as long as you don’t go near a carb, has had a makeover. The New Atkins diet reintroduces carbs in phases.
Diabetes is one of the most common chronic diseases in the world. In 2014, diabetes affected about 387 million people worldwide and resulted in $612 billion dollars of health-related costs.  Unfortunately, as a conventional western lifestyle of poor nutrition and exercise habits becomes more popular, diabetes is expected to affect about 592 million people worldwide.  In the United States alone, diabetes increased from 5.58 diagnosed cases in 1980 to 22.3 million diagnose cases in 2013. 
I read the book while sitting by the pool that Sunday afternoon and informed my girlfriend that we were going to be starting a new diet on Monday. “Oh really,” she asked. “What is so good about this diet?” I told her about the salads, fresh fruit and vegetable dishes, and her favorite part, how we would be replacing steak night with chicken and much more fish. “This is the perfect diet for summer!”
On a ketogenic diet, your entire body switches its fuel supply to run mostly on fat, burning fat 24-7. When insulin levels become very low, fat burning can increase dramatically. It becomes easier to access your fat stores to burn them off. This is great if you’re trying to lose weight, but there are also other less obvious benefits, such as less hunger and a steady supply of energy. This may help keep you alert and focused.