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Obesity Can Damage Your Heart — But Weight Loss May Reverse It

New research shows severe obesity structurally damages the heart — and that meaningful weight loss can reverse those changes, sometimes within weeks.

Millions use cannabis as a sleep aid, but research shows it suppresses REM sleep and may worsen insomnia long-term. Here’s what the science says.

A new NIH-backed trial found semaglutide cut heavy drinking days by 41% — could GLP-1 drugs become the next breakthrough for alcohol use disorder?

Millions of women live with undiagnosed ADHD for decades. Discover why female symptoms are so often missed — and what a late diagnosis can change.

New research links 7 common artificial sweeteners to memory decline and brain aging equivalent to 1.6 extra years. Here’s what you need to know.

New research confirms high Lp(a) raises persistent heart risk. Learn what lipoprotein(a) is, who’s at risk, and what you can do.

Decades of research link the Mediterranean diet to longer life and lower disease risk. Here’s what the science actually says—and how to apply it.

A 2026 study finds fish oil EPA may impair brain repair after head injuries. Here’s what it means — and doesn’t — for your omega-3 routine.

Millions take daily aspirin without a prescription. But major clinical trials and USPSTF guidelines tell a different story. What does science show?

Research shows exercise can be as effective as medication for mild depression. Discover how movement rewires the brain and boosts mood.