Is your city’s skyline blocking the sun’s health benefits?

I recently came across an article saying that the urban core of Miami, where I live, is turning into Shanghai. I’ve never been to Shanghai, but I don’t think the comparison was meant as a compliment. The author was noting the relentless development in downtown Miami, where construction fencing cordons off every remaining plot of…

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Minimalist shoes, the culture divide, and how I won an argument with my wife

One of the cultural differences between me and my Venezuelan wife, and a source of friction, is the way she stresses about fashion. For Venezuelans — or at least for the one I’m married to — a person’s fashion sense is a test of character. Our biggest fashion flashpoint is my shoes … and not…

Does LASIK destroy your circadian rhythm?

When you’re standing in the long, winter holiday lines at Disney World, you start inventing ways to pass the time. I decided to examine whether the people who wore sunglasses also tended to be obese. My hypothesis was: Blocking solar information from entering the eye results in a cascade of health problems that includes significant…

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Why Simple Health Solutions Don’t Sell

Whenever I think the true principles of health and longevity are gaining traction with the general public, readers of this newsletter burst my bubble with text messages about what’s happening in the real world. Recently, one subscriber sent me a photo of the “Heart Healthy Meal Plan” a hospital recommended to a friend. Whole milk…

Why does a lack of sun exposure cause heart disease?

My college-aged daughter has just finished her slog through her required course in basic chemistry. I tell her that while the work was a pain, her new knowledge enables her to understand recent breakthroughs in health science. Her face lights up when we talk about these exciting ideas because she recognizes the terminology. Liquid crystalline…