Biology Insights

Most people eat far more sodium than they need. Here's what the guidelines actually recommend and how to keep your intake in a healthy range.

Saline drops, gentle suction, and a damp cloth are the safest ways to clear hard boogers from your baby's nose without causing irritation.

No OTC drug lowers blood pressure, but potassium, magnesium, and omega-3s show real evidence. Learn what helps, what hurts, and how much to expect.

Nearly 3 in 4 American adults are overweight or obese. Here's what the latest data shows, how rates have shifted over time, and which groups are most affected.

Mouth sores usually heal on their own, but salt water rinses, honey, and OTC treatments can speed things up and ease the pain in the meantime.

From osmotic laxatives to prunes, here's what the evidence says actually works for constipation relief and how to pick the right option for your situation.

THC detection times vary by test type, usage habits, and body composition. Here's what the evidence says about how long marijuana actually stays in your system.

Salt water, clove oil, and the right pain relievers can ease a toothache at home — but some symptoms mean it's time to see a dentist fast.

Learn what to expect from a cold day by day, how symptoms differ in kids and adults, and when it might be something more serious.

Trapped gas is uncomfortable, but simple positions, gentle massage, and a few remedies can bring quick relief. Here's what actually works.

Waking up with dry, gritty eyes? Learn why it happens and what you can do before bed and in the morning to feel more comfortable.

Reduce water retention in a day by cutting sodium, staying hydrated, and adjusting your diet. Here's what actually works and what to realistically expect.

Frequent urination without pain in women can stem from hormones, pregnancy, blood sugar, or bladder changes. Here's what might be behind it.

Vaginal discharge is normal and healthy. Learn what it is, why it changes throughout your cycle, and when it might signal something worth checking out.

Stopping Ozempic often brings back hunger, weight gain, and metabolic changes. Here's what to expect and how to protect your progress after discontinuing the drug.

Most people see meaningful weight loss with Ozempic between months 2 and 6. Here's what the clinical evidence says about realistic timelines and results.

Painting while pregnant carries some risks, but choosing low-VOC paints and keeping the space ventilated can help you stay safer throughout your pregnancy.