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Your Wearable Says You’re Not Recovered. But What Is It Actually Measuring? You wake up feeling reasonably good. Then you look at your wrist. Apparently, you are a disaster. Your heart-rate [...]

Menopause Is Not a Supplement Prescription There is apparently a moment somewhere around your mid-forties when the supplement industry decides it knows you personally. You have crossed an age [...]

When You’re Tired but Can’t Sleep: Insomnia Is More Than a Bad Night There is a particularly maddening form of exhaustion in which you spend the entire day fantasizing about sleep and then become [...]

Caffeine and Sleep: You Fell Asleep Just Fine. Your Coffee May Still Be Changing Your Sleep “I can drink coffee at night and go straight to sleep.” I hear some version of that sentence all the [...]

Chronic Stress Doesn’t Live Only in Your Head: What New Heart Research Reveals About the Biology of Daily Life There is a phrase I would happily retire from health conversations: “It’s just [...]