TWO PILLS Let’s pretend you’re at a drugstore of the future. You consult with the pharmacist, who gives you a choice between two pills. You point to the first one and ask what it does. The pharmacist ticks the benefits off on her fingers. “Lowers your blood pressure, stabilizes your insulin levels, improves your mood, increases your calorie burn, fights osteoporosis, and cuts your risk of stroke and heart disease. Unfortunately, its side effects include insomnia, skin rash, heart problems, nausea, gas, diarrhea, weight gain, and lots of others.” “Hmmm,” you say. “How about the second pill?
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