ScienceInsights

Steak is a solid source of B12, choline, and fat-soluble vitamins, but levels vary by cut and cooking method. Here's what you're actually getting.

Reaching 0.08 BAC depends on your weight, sex, and drinking pace. Here's what the science actually says about alcohol and impairment.

Learn how the Beighton Score works, what your results mean, and what to expect from a clinical hypermobility evaluation.

Most UTIs clear up in a few days with antibiotics, but untreated infections can linger for weeks and spread. Here's what affects recovery time.

Depression shows up in more ways than sadness. Learn the emotional, physical, and cognitive signs across different ages and when to seek help.

Vaginal dryness is common and treatable. Learn what causes it and which options—from moisturizers to hormonal therapy—may work best for you.

Living with HIV today looks very different than it once did. Learn how treatment, monitoring, and daily habits support a long, healthy life.

Learn which eye pain you can treat at home and which symptoms need emergency care, plus practical relief for dry eyes, strain, and pink eye.

Losing belly fat takes whole-body effort, not spot reduction. Learn what diet, exercise, and stress management actually do to shrink your waist over time.

Ex-Lax typically works within 6–12 hours, but dose, diet, and other factors can shift that window. Here's what to expect and how to use it safely.