ScienceInsights

Brain fog has real causes, from poor sleep and stress to dehydration and medical conditions. Here's what's behind it and how to clear your head.

Skilled nursing care includes wound care, IV therapy, tube feeding, and more. Learn what qualifies and how Medicare typically covers these services.

Plan B works mainly by delaying ovulation, but timing and body weight affect how well it works. Here's what to realistically expect.

Stomach flu typically clears up in 1–3 days, but it depends on the virus. Here's what to expect and when to feel concerned.

Curious about swallowing semen? Learn how your body processes it, the real STI risks, allergy facts, and what the science says about mood effects.

Fidget spinners may help some people with ADHD or anxiety stay focused, but context matters. Here's what the science actually says.

At 9 months, most babies eat 2–4 tablespoons of puree per meal. Here's how to balance solids, milk, and texture as appetite grows.

Night sweats in older men often have treatable causes like medications or low testosterone, but some cases warrant a doctor's visit sooner rather than later.

Find out which ingredients and daily habits actually help extremely dry skin, from petrolatum to urea, and when it's time to see a doctor.

Period bloating is common, but how much is too much? Learn what's normal, what causes it, and when to check in with a doctor.