For the most part, we know how to mitigate the chronic diseases that plague people in their older years–eat healthily from early on, and get plenty of exercise. But this knowledge hasn’t translated into better health for society at large, and medical systems all around the world are straining increasingly under the weight of aging populations in poor condition. What we need, says Professor Michael Ristow of ETH Zurich, are broad preventative strategies that are accessible to everyone.

Professor Michael Ristow of ETH Zurich

In the last segment we discussed why it’s better for your cells to rely on sources of energy other than glucose, which they’re forced if you’re on a ketogenic diet, for instance. Would you recommend that people follow a ketogenic diet?

last segment

I’m not sure. I certainly think the recommendation to have a carbohydrate intake around 50-60% of total calories is unfounded and probably wrong, but I’m not sure I would recommend a ketogenic diet. While the biochemistry behind it makes sense, the problem is that if you want to follow a ketogenic diet, you’ll probably have to include a lot of meat and other things that are known from epidemiological studies to promote colon cancer and other diseases.


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