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Calorie restriction and hormesis
One of the first scientifically rigorous demonstrations of the benefits of hormesis was a 1934 study of calorie restriction (often abbreviated “CR”) in laboratory rats, conducted by Mary Crowell and...
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Learning to fast
I’m writing this post the week before Thanksgiving, to give you something to think about as you are polishing off that last piece of pie…. One of the most common reactions I get to my advice to try...
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Does insulin make you fat?
Whether or not insulin is to blame for the obesity epidemic is one of the hot questions being debated on heath and diet blogs. On the surface, this seems like an arcane question that would mainly...
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Intermittent fasting for health and longevity
One of the primary topics covered on this blog is intermittent fasting (IF). Many approach IF as a diet or weight loss method. I know from research, personal experience and conversations with others...
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Get stronger using stress oscillation
How much weight lifting or other exercise is optimal for fitness? What is the right amount of carbohydrate restriction or fasting for sustained weight loss and health? What level of exposure to...
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Voluntary stress
When does stress help you and when does it hurt you? There is no doubt that stresses of the wrong sort can lead to anxiety, emotional turmoil — and eventually depression and diseases like...
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AHS 2012
What a great conference! I had heard such high praise for the inaugural meeting of the Ancestral Health Symposium last August, but I was too late to register in 2011. This year I submitted an...
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An alternative to vitamin D supplements?
My recent post on Why I don’t take vitamin D supplements generated a lot of interest and a few misconceptions. In that article, I did not suggest any practical alternatives to taking high dose vitamin...
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Antifragile
Hormesis is the ability of organisms to become stronger when exposed to low-dose stress. Is hormesis a basic principle of biology — or is it merely a strange but unimportant quirk of nature that only...
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Is it dangerous to skip breakfast?
There is increasing evidence from recent human and animal studies that intermittent fasting — refraining from food or caloric beverages for at least 12 hours a day, several days a week — reduces the...
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Live longer!
So you want to live a long life, or at least age gracefully? Bill Gifford has provided a well-researched and engrossing account of the quest for longevity. In his new book, Spring Chicken, Gifford...
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The health benefits of hypoxia and living at high altitude
I had the pleasure of attending and presenting at the Ancestral Health Symposium, in Boulder Colorado, August 11-13. My podium presentation was entitled “Living High and Healthy: Why Coloradans and...
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