ScienceInsights

A sour stomach usually comes down to a few common causes. Learn what's triggering yours and which remedies and lifestyle changes can bring real relief.

From antivirals to patches, here's what the evidence says actually shortens cold sore healing time — and why acting early makes the biggest difference.

Most babies sleep safest in a room between 68–72°F. Learn how to dress your baby and spot signs they're too hot or cold.

Oral sex carries real STI risks, but knowing what's transmissible and how to reduce exposure helps you make informed choices about your sexual health.

Learn which sunscreen ingredients to avoid and what to look for in a mineral formula that's safer for your skin and the environment.

At 7 months, babies need a mix of breast milk or formula and soft solids. Here's how much to offer and what a typical feeding day looks like.

Separation anxiety is normal in babies, but there are gentle ways to make it easier for both of you.

Feeling useless or worthless often has real psychological roots. Here's how to gently rebuild your sense of purpose and recognize when to seek help.

Learn the safe daily ibuprofen limits for adults and children, how often to dose, and who should avoid it altogether.

Daily headaches have real causes and real solutions. Learn what drives them, why pain medication can backfire, and how doctors approach treatment.