ScienceInsights

Blackheads form when pores get clogged with oil and dead skin, but hormones, genetics, and daily habits explain why they keep returning.

Fluoroquinolone antibiotics treat serious infections but carry real risks, including tendon damage and nerve problems. Here's what to know before taking them.

Simple, science-backed ways to rebuild a healthy gut microbiome through food, movement, and lifestyle changes.

Heel pain can stem from several conditions. Learn about the most common causes, from plantar fasciitis to stress fractures, and how to tell them apart.

Biotin supports skin barrier function and fat metabolism, but supplements mainly help if you're deficient. Here's what the evidence actually shows.

Canker sores have several possible causes, from immune responses and genetics to diet, stress, and toothpaste ingredients.

Poor circulation can stem from several causes, including atherosclerosis, diabetes, and blood clots. Learn what's behind reduced blood flow and when to take it seriously.

Quitting alcohol can improve your liver, heart, sleep, skin, and mental clarity faster than you might expect. Here's what actually changes in your body and life.

Orlistat comes in both OTC and prescription forms. Learn the differences, who can use each, and what results you can realistically expect.

Leg swelling can stem from sitting too long or signal something serious. Learn what's behind it and when to see a doctor.