How healthy is it to fast?

I was wondering how healthy it is to fast. I recently read an article in a magazine and have become interested in trying it. Would it be safe for a female teenager to try it? For how long? What kind of fast would be most beneficial? Any information would be greatly appreciated. An adolescent female is still...

The brain burns ketones and prefers ketones over sugar. You can make glucose from fat. I hope this is useful.

I read some of your nutrition advice on fad diets. I would like to point out that it has been known for decades that the brain burns ketones (Nelson et al, JBC (140):p.361, 1941; Owen et al. J Clinical Invest.46:1589-95, 1967; Hawkins and Krebs (there's a famous name) Biochemistry J. 122:13-18, 1971. In fact,...

Do you know about the cabbage soup diet?

What do you know about the Cabbage Soup Diet? Do you have a copy? I would like to try it for 7 days. No, I don't, but I did see it in one of the newsgroups. Sounds like the latest fad diet though. Kind of reminds me of the Beverly Hills fruit diet - the...

Everyone who has been on a diet knows they will gain weight as soon as they go back to their old way of eating.

I have read a few or your question and answers. You asked a couple of times "What are they going to eat when they get off of the high protein diet? Well, after having talked to my own doctor (who I thought was nuts for telling me to eat protein) it's not just a...

I’ve read some convincing ads about starch blockers. Do they work and can I eat all the starch I want?

I've read some pretty convincing ads about starch blockers. Do they really work and can I really eat all the starch I want? No. I had thought we had heard the last of the starch blocker issue when the FDA banned them. Starch blockers do not prevent you from absorbing starch and do not live...

What health benefits and risks can you associate with fasting?

Recently, I have been curious about the practice of fasting. Not for religious or cultural reasons, just curiosity. Some of my friends who have done this have described various sensations of euphoria or "inner calm" associated with fasting. What health benefits and risks can you associate with fasting? I imagine that dehydration is the biggest...

What do you think about Instant Breakfast? Will it help me lose weight?

What do you think about Instant Breakfast? Will it help my weight loss? PS I don't like breakfast. No, just drinking Instant Breakfast will not assure you of losing weight. Your weight loss depends on a day's total calories in the food you eat and total calories you expend through physical activities.  Think of your...

What is the nutritional value or risk of fasting?

What is the nutritional value or risk associated with fasting? Is it OK to go without solid food for a day? I do this about once a week. I do take a lot of water and some fruit juice. There is no nutritional value to fasting and the risk is dependent on many factors, not the...

Out of all the fad diets, which is the most effective and healthiest?

Out of all of the fad diets that have surfaced in the past couple of years, in your opinion which one is the most effective and healthiest for your mind and body? Any weight loss diet that has fewer calories than a person has been eating will result in weight loss.  In addition, adding exercise...

I read a book called Fit for Life which contained some controversial ideas.

I recently read a book called Fit For Life (Diamond) which contained some controversial material and ideas. I have a couple of questions concerning some of Diamond's proposals. Diamond says there are 3 natural cycles in the body. From 4 A.M. to noon the body is eliminating waste and one is not to eat...