Health & Wellness Blog

Evidence-based articles on nutrition, fitness, mental health, and more.

The world's most popular psychoactive substance — a legal stimulant that boosts alertness, enhances performance, and occasionally ruins your sleep.

A state of chronic physical and emotional exhaustion that the WHO now officially recognizes — and it's not just being really tired.

A measure of mineral content in your bones that predicts fracture risk — and the window for building it closes earlier than you think.

A height-to-weight ratio used to screen for weight categories — with limitations so significant that even its defenders acknowledge them.

The force of blood against your artery walls, measured as two numbers — and the silent reason half of adults need to pay attention.

The B vitamin social media crowned as the hair-growth miracle — here's what it actually does (and doesn't do) for your locks, skin, and nails.

The proportion of a nutrient your body actually absorbs and uses — because swallowing it and benefiting from it are two different things.

A plant pigment your body converts to vitamin A — with a critical safety advantage over preformed vitamin A supplements.

The calories your body burns at complete rest just to keep you alive — and why it matters more than your workout for weight management.

When your immune system can't tell friend from foe and starts attacking your own tissues — affecting 1 in 5 Americans, mostly women.

Joint inflammation that affects 1 in 4 U.S. adults — and it's not just an old person's disease.

Molecules that neutralize free radicals and protect your cells — but the supplement version might not work the way you think.