Biology Insights

Bipolar disorder has no cure yet, but remission is possible. Learn how medication, routine, and newer treatments help people manage it effectively.

Learn how long it takes to reach ketosis, what your body goes through along the way, and practical tips to get there faster.

Carvedilol can cause side effects ranging from dizziness and fatigue to breathing issues and blood sugar changes. Here's what to expect and when to talk to your doctor.

Gaining weight healthily comes down to calorie-dense whole foods like nuts, grains, and protein. Here's what to eat and how to structure your meals.

Yellow, smelly discharge usually signals an infection like BV, trichomoniasis, or an STI. Learn what causes it and when to see a doctor.

Carpal tunnel surgery recovery takes longer than most people expect. Here's what healing actually feels like, week by week, and what's considered normal.

Sinus infection keeping you up with a nagging cough? Learn what actually helps, from saline rinses and steam to OTC meds and when to see a doctor.

Ketamine can ease depression symptoms within hours, but how long does that relief actually last? Here's what the research says about duration and treatment.

Home STD tests are private and convenient, but accuracy, timing, and cost vary. Here's what to know before you order one.

Skipping your period on birth control is safe and possible with pills, the ring, or the patch. Here's how to do it and what to expect.

Epsom salt baths may ease sore muscles and help you unwind, but does the science actually back it up? Here's what we know about how they affect your body.

Learn how much a 5-week-old baby typically needs to eat, whether breastfed or formula-fed, and how to read their hunger and fullness cues.

Ever felt a strange urge to jump from a height, even though you don't want to? Learn what the call of the void is and what it says about your brain.

From benzoyl peroxide to pimple patches, here's what actually helps calm red pimples — and what makes them worse.

Chickenpox vaccine immunity can last decades, but it's not always lifelong. Here's what the research says about protection, boosters, and breakthrough cases.

Learn how to spot a broken arm by sight, including swelling, deformity, and bruising, and how it differs from a sprain or child's fracture.

Smoking rates in the US have fallen to historic lows, but some groups are still affected more than others. Here's what the latest data shows.

8 glasses of water is about 64 oz or 1.9 liters, but your actual needs vary. Learn what really determines healthy daily hydration.

HIV rashes can look different depending on your skin tone and disease stage. Learn what to look for and when to see a doctor.