ScienceInsights

That unsatisfying feeling of not getting enough air has real causes—from anxiety and anemia to heart and lung conditions—and most are very treatable.

Water poisoning is real, but it's less about how much you drink and more about how fast. Learn what's actually safe and who needs to be careful.

That frustrating urge to pee with little result has real causes, from UTIs to pelvic floor tension. Here's what's behind it and when to see a doctor.

From tobacco and alcohol to genetics and sun exposure, learn which factors are linked to higher cancer risk and how they can combine over time.

At 24 weeks, your baby weighs around 1.3 pounds and reaches a key medical milestone. Here's what's developing and what to expect.

Yellow discharge can be normal or a sign of infection. Learn what causes it, when to see a doctor, and what treatment options are available.

Bloating around ovulation is common and usually harmless. Learn why it happens, how long it lasts, and when it might be worth checking with a doctor.

Stomach bugs can be contagious before and after symptoms appear. Learn how long norovirus, rotavirus, and bacterial infections typically spread.

Learn why babies wake at night and what you can do to help them sleep longer with routines, environment tips, and age-appropriate strategies.

Toenail fungus is stubborn but treatable. Learn which treatments actually work, from oral antifungals to topicals, and how to keep it from coming back.