ScienceInsights

Pain in one eye can stem from surface irritation, infection, or pressure changes. Learn what's likely causing yours and when it's time to call a doctor.

Hyperlipidemia has several causes, from diet and genetics to medications and health conditions. Learn what raises your lipid levels and why it matters.

Learn how often to take protein powder based on your actual needs, daily intake, and when whole foods should take priority instead.

At 3 months, babies can see about 12–15 inches away and are just starting to distinguish colors and track faces. Here's what's normal for their vision.

Oatmeal is one of the best foods to eat when you're sick. Here's how it supports your immune system and soothes common symptoms.

See how quickly coffee, tea, and energy drinks push you toward the 400 mg daily caffeine limit health experts recommend.

Anxiety can cause real physical symptoms like chest tightness, nausea, and muscle tension. Learn why your body reacts this way and what it might mean for your health.

Swollen feet and ankles have many causes, from long days on your feet to heart or kidney conditions. Learn what's behind the puffiness and how to find relief.

Shivering without a fever can stem from low blood sugar, anxiety, thyroid issues, and more. Here's what might be causing it and how to help yourself.

Learn how your body processes alcohol, from first sip to fully sober, including what affects your personal metabolism rate.