Health & Nutrition

How Much Proof Do We Need to Eat Healthier?

Randomized placebo-controlled trials are considered the gold standard of scientific evidence. In such studies, half of the subjects may get the active treatment, and the other half unknowingly get a sugar pill instead. This works great for evaluating new drugs,...
Health & Nutrition

Were We Wrong About Fiber?

In my video Is the Fiber Theory Wrong?, I present that fiber-containing foods may not only help prevent heart disease, but also help treat it as well. Heart patients who increase their intake of fiber after their first heart attack...
Health & Nutrition

Follow the 5-to-1 Rule for Packaged Foods

When people think fiber, they think constipation. And it’s true: If we could get Americans to eat just the minimum recommended daily intake of fiber-containing foods, we could save our country $80 billion—and that’s just from the effects on constipation...
Health & Nutrition

Change Your Diet; Change Your Microbiome

If whatever gut flora enterotype we are could play an important role in our risk of developing chronic diet-associated diseases (see What’s Your Gut Microbiome Enterotype?), can we alter our gut microbiome by altering our diet? Yes. Indeed, diet can rapidly...
Health & Nutrition

What’s Your Enterotype?

The human gut has “a diverse collection of microorganisms making up some 1,000 species, with each individual presenting with their own unique collection of species.” But it wasn’t known whether this variation is on a continuum or if people cluster...
Health & Nutrition

Risks vs. Benefits of Colonoscopies

Though colonoscopies can cause serious harm in about 1 in every 350 cases, sigmoidoscopies, procedures that use shorter and smaller scopes, have ten times fewer complications. But, do colonoscopies work better? Is their total risk-benefit better? We don’t know since...

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