Biology Insights

Losing 6 pounds in a month sits at the faster end of healthy, but whether it's right for you depends on your starting weight and how you're losing it.

Taking extra Plan B pills won't improve effectiveness. Learn what actually happens to your body and why one dose is all you need.

Early pregnancy signs can appear before a missed period. Learn when symptoms typically start and how to tell them apart from PMS.

Practical ways to ease sore throat pain at home, from salt water gargles to the right painkiller, plus signs it's time to see a doctor.

60g of protein daily falls short for most people trying to build muscle. Learn how much you actually need based on your body weight, age, and goals.

Recurring BV after sex often comes down to pH changes, shared bacteria, and why standard treatments don't always break the cycle.

Lying awake despite feeling exhausted? Here's what's happening in your body and simple steps to finally fall asleep tonight.

Buprenorphine can linger in your system for days or weeks depending on your dose, metabolism, and test type. Here's what the timeline actually looks like.

Vaginal scent varies naturally with your cycle, diet, and hormones. Learn what's normal, what changes to expect, and when a smell might need attention.

Blind pimples can't be popped safely. Learn why squeezing backfires and what actually works, from warm compresses to cortisone shots.

Six-week-old babies typically sleep 14–17 hours a day in short stretches. Here's what's normal, why nights are rough, and when to expect things to shift.

Pubic pimples are usually caused by ingrown hairs, clogged pores, or folliculitis, but some bumps may need a doctor's attention.

Bad breath in toddlers is usually caused by dry mouth, bacteria, or minor infections. Here's how to find the cause and freshen things up.

Frequent urination in men can stem from an enlarged prostate, high blood sugar, bladder issues, or even your diet. Here's what's likely behind it.

Find out how many calories to eat each week to lose weight, and why tracking weekly totals works better than obsessing over daily numbers.

Vaginal odor usually has a treatable cause. Learn what's behind smelly discharge, when to see a doctor, and how to restore your natural balance.

Viral and bacterial pneumonia share similar symptoms but need different treatments. Learn how doctors tell them apart and what recovery looks like for each.

At 3 weeks old, most babies need 2–3 oz per feeding. Learn how often to feed, hunger cues to watch, and signs your baby is getting enough.