ScienceInsights

A constantly runny nose can stem from allergies, diet, aging, or overused sprays. Learn what's likely causing yours and how to find real relief.

Practical tips for managing vomiting at home, from staying hydrated to knowing when it's time to seek medical care.

Waking up to urinate multiple times a night is common in men but often manageable. Learn the causes and practical steps that can help.

Itchy ears are usually caused by dry skin, allergies, or infections. Learn what's behind the irritation and when it's worth seeing a doctor.

Ten-month-olds only need a few sips of water a day. Here's why the limit is low and how to offer water safely.

Steroid sprays, saline rinses, and antihistamines all work differently for allergy stuffiness. Here's what actually helps and what to skip.

A 1-week-old baby can only see about 8–12 inches away. Here's why their vision is so limited and how it develops in the weeks ahead.

Learn how many extra calories you actually need to gain weight, why your body resists surplus, and how to make the most of those added calories.

Sudden facial dryness usually has a fixable cause. Learn what's behind it and how to restore your skin's moisture balance.

Hangovers are rough, but some remedies actually help. Learn what relieves symptoms, what to skip, and when to take it more seriously.