Biology Insights

Losartan can cause dizziness, potassium changes, and kidney shifts. Here's what side effects are common, which are serious, and what to watch for early on.

Amitriptyline can cause side effects ranging from weight gain and sexual dysfunction to more serious risks like heart changes and serotonin syndrome.

Survival with fluid around the heart depends largely on the underlying cause, from infection to cancer, and whether it's caught before becoming an emergency.

Learn the five warning signs of alcohol poisoning, why sleeping it off can be dangerous, and what to do if someone needs help.

More melatonin isn't always better. Learn what doses actually work, why high amounts can disrupt sleep, and how to find what's right for you.

Simple, evidence-based ways to reduce water retention quickly, from cutting sodium to eating more potassium-rich foods before bed.

Your ideal daily protein intake depends on your age, activity level, and life stage. Here's how to find the right amount for you.

Omeprazole 40 mg is usually a short-term fix. Learn how long is safe for your condition and what risks come with taking it longer than needed.

Learn to spot dehydration through urine color, skin tests, and common symptoms, plus how much fluid you actually need each day.

THC from edibles can linger longer than you might expect. Learn how different drug tests detect it and what affects your personal clearance timeline.

Night sweats in men can stem from low testosterone, sleep apnea, diet, or medications. Learn what's behind yours and when to see a doctor.

Learn the common signs of BV, how it differs from a yeast infection, and what testing options are available at home and through your doctor.

Around 1.2 million people in the US are living with HIV. Here's what the latest data says about who's most affected and how treatment is changing outcomes.

Upper left back pain is usually muscular and treatable at home. Learn which remedies actually help and when to see a doctor.

Mono shares symptoms with other illnesses, making it easy to miss. Learn how doctors diagnose it and what sets it apart from strep throat.

Dogs may circle before death due to brain changes, organ failure, or vestibular disease. Here's what's actually happening and why.

Ovulation can return within weeks of a miscarriage. Learn when your body is physically ready to try again and when waiting is medically advised.

Doxycycline monohydrate 100mg treats infections, prevents Lyme disease, and protects travelers from malaria. Here's what to know before taking it.