Dr Simpson reviews. Reviews of medicine, health care, and food.
Taste Isn’t What You Think It Is Most people believe taste happens on the tongue. That idea seems obvious because food enters the mouth, the tongue recognizes flavors, and the brain decides whether something tastes good or bad. However, modern science has revealed a much more fascinating story. Taste receptors are scattered throughout the body,…
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Why bariatric surgery, fasting, and GLP-1 drugs can put type 2 diabetes into remission—and why the story is far more complex than sugar.
Read MoreLet’s Start With What Nobody Tells You When people start a GLP-1, they are told what to avoid. What side effects to expect, and sometimes how much protein they should be eating. While that information has its place, it misses the part that actually changes your day-to-day life. Because what really shifts is not just…
Read MoreWhen Beef Becomes Belief: The Carnivore Priesthood Nutrition debates rarely begin with money. Yet money almost always explains how they spread. That fact explains much of the modern carnivore movement. At first glance, the carnivore diet appears to be a radical nutritional idea: eat beef, organs, and animal fat while avoiding vegetables, grains, legumes, and…
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From Gila Monster to GLP-1 Revolution In 1991, I left Seattle and moved to Phoenix to begin my career as a surgeon. In Seattle, hiking meant pine trees, damp trails, and reliable rain. In Phoenix, hiking meant bottled water and survival. The temperature could sit at 113 degrees at six in the evening. Sometimes the…
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Mexican food isn’t unhealthy — American processing is. Real tacos deliver fiber, gut health, and Mediterranean biology in a corn tortilla.
Read MoreWhen Influencers Replace Scientists, Everyone Loses Every few years, nutrition gets a makeover.First comes a new graphic.Then comes a new slogan.Soon after, we hear claims that this time, someone finally figured it all out. Recently, that makeover arrived in the form of a “reverse food pyramid” and the cheerful phrase “Eat Real Food.” On the…
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Ultra-Processed Food: Making Sense of the Madness Ultra-processed food has become the villain of modern nutrition.Scroll through social media, and you’ll hear that it’s poisoning us, wrecking our gut, and driving the obesity epidemic all by itself. At the same time, other voices dismiss the entire idea as fear-mongering.According to them, processing doesn’t matter at…
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