Biology Insights

Losing your balance can stem from inner ear issues, nerve damage, medications, and more. Learn what conditions affect balance and when to see a doctor.

Doxorubicin's scary nickname makes it sound like a last resort, but for many cancers it's actually a first-line treatment. Here's what the evidence says.

From ibuprofen to ice packs, here are safe, practical ways to manage swelling at home and when to see a doctor.

Learn how to calmly support someone through an anxiety attack, from helpful phrases and breathing techniques to grounding exercises and follow-up care.

At 17 weeks pregnant, your baby is about the size of a pear and starting to move. Here's what's happening inside and how your body is changing.

28 grams of sugar can mean very different things depending on where it comes from. Here's how it fits into your daily limits and what it does in your body.

Hair loss may signal low iron, vitamin D, or zinc—not just biotin. Learn which nutrients actually support hair growth and where to find them in food.

Learn the visual and physical signs of a cavity, including symptoms you might miss, and when it's time to see a dentist.

Bad breath is rarely a sign of cancer. Learn what actually causes it, when to see a doctor, and how to put the real risk in perspective.

Practical strategies to help someone with dementia retain information, from memory books and routine to sensory cues and simple tech tools.

Most sinus infections clear up on their own. Learn what actually helps at home, when antibiotics are worth it, and what symptoms shouldn't be ignored.

At 19 weeks pregnant, you may feel baby's first kicks, notice skin changes, and have your anatomy scan. Here's what's normal right now.

CBD dosing isn't one-size-fits-all. Learn how to find your right daily amount based on your body, your goals, and how tinctures are actually absorbed.

Learn the common and easy-to-miss signs of type 1 diabetes, from frequent thirst to warning signs in young children that often go unnoticed.

Depression can suppress your appetite, but there are ways to manage it. Learn why this happens and how to support yourself or someone you care about.

Practical, natural steps to boost your chances of conceiving, from timing sex around ovulation to diet, lifestyle, and your partner's health.

Most adults can safely have up to 400mg of caffeine daily, but your personal limit depends on health, genetics, and more.

Sudafed can raise blood pressure for 4–8 hours depending on the formula. Learn how much it rises, who should be cautious, and safer alternatives.