Is being in a high pollution city like Delhi India really like smoking a pack a day healthwise?

Comparing air pollution to smoking is a dangerous question. Honest observers (like Richard Saint Cyr MD and Richard Muller) have come up with wildly different answers, from 1/6th of a cigarette a day, to four a day, to claims of 21 cigarettes a day. Here’s why they’re all right.     Two Fundamentally Different Ways of Asking the Question One of the points […]

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35 healthy Shanghai college students used a purifier for 48 hours. Here’s what happened to their bodies

There are two things we know about purifiers and one really important thing we don’t know.   1. We know that purifiers reduce PM2.5   Loads of tests have found this in labs and in real-world homes. I’ve tested the hell out of this, in my room, in bigger rooms, for 200 days of Beijing air, comparison tests against the […]

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Truth or Bullshit: Eating Broccoli Protects Against Pollution

Although many natural remedies are based more on intuition than science, a surprisingly rigorous set of studies from different research labs is finding that eating broccoli helps our bodies fight the effects of air pollution.   Scientists have isolated the compound thought to help the body remove pollutants like benzene and fight inflammation. The compound, sulforaphane, […]

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