ScienceInsights

A -4.75 prescription means moderately high myopia. Here's what you can and can't see without glasses, plus correction options and what to expect long-term.

Edibles can take 30 minutes to 2 hours to kick in and last up to 8 hours. Learn what affects timing and how to dose safely.

15 mg of melatonin is far more than most people need and can cause real side effects. Here's what the research says about safer, more effective dosing.

Burnout takes more than a weekend to fix. Learn what actually helps you recover, from psychological detachment to realistic timelines and when to seek help.

Ginger, peppermint, and chamomile are among the teas that may help ease an upset stomach, each working a little differently depending on your symptoms.

Benadryl isn't off the market, but there is an FDA petition raising safety questions. Here's what the concerns are and what your options look like.

Gentle cleaning after a bowel movement can reduce hemorrhoid irritation. Learn which techniques, products, and habits actually help instead of making symptoms worse.

Most Truvada side effects fade within a few weeks, but some changes to kidneys and bone density may persist. Here's what to expect and when to talk to your doctor.

One drink raises BAC differently for everyone. Learn how weight, sex, and other factors shape your body's response to alcohol.

Resting heart rate norms vary by age, fitness level, and time of day. Here's what your BPM actually means for your health.