ScienceInsights

A standard peanut butter serving has around 190 calories, but the type and amount you use can make a real difference to your daily intake.

Peeling skin on your feet can stem from fungal infections, dryness, eczema, or even diet. Here's how to identify what's causing yours.

When your stomach hurts, what you eat matters. Learn which foods help ease nausea and cramping, and which ones to skip until you feel better.

Thinking about becoming a registered nurse? Here's what the path looks like, from picking a degree to passing the NCLEX and landing your license.

Swollen ankles and tingling feet can stem from many causes, from sitting too long to heart disease. Learn what's behind these symptoms and when to see a doctor.

Side sleeping can cause shoulder pain, numb hands, hip issues, and skin creases. Here's what's actually happening to your body and when it's still worth it.

Vitamin D and D3 aren't quite the same thing. Learn the difference, which form your body uses better, and how to choose the right supplement.

From NRT to exercise and mindfulness, here are practical ways to manage nicotine withdrawal symptoms and get through cravings.

Practical tips to help a constipated child, from diet and hydration to toilet positioning, routines, and when to see a doctor.

Thinning hair in women has real solutions. Learn which treatments actually work, from topical options to nutrition changes, and what results to expect.