Medically reviewed by Kelly Wood, MD You may have higher than normal ketone levels during exercise, fasting, or sleep. High ketone levels can be dangerous, especially if you have diabetes.You can test ...

The ketogenic diet is a strict, low-carb diet that is gaining in popularity due to claimed health benefits, which include dramatic weight loss, lowered blood triglycerides, increased levels of good ...

Blood draws for several kinds of diagnostic tests require you to fast for several hours. Eating or drinking anything besides water can skew the results, leading to you needing to be retested. You may ...