ScienceInsights

Zaditor is typically used twice daily, 8–12 hours apart. Learn how long it takes to work, who can use it, and what to know about contacts.

Amoxicillin is usually the go-to antibiotic for tooth infections, but the right choice depends on your allergies and how serious the infection is.

Acid reflux and GERD aren't the same thing. Learn what separates an occasional episode from a chronic condition and when it's time to see a doctor.

Lateral hip pain often comes from tendons or nerves, not the joint itself. Learn what's causing it and what actually helps.

Chick-fil-A's grilled chicken is lower in calories than the fried, but the sodium adds up fast. Here's what the nutrition actually looks like.

Learn about how do i know if i have heartburn — what the research says and what you need to know.

Sperm can reach an egg in minutes, but fertilization is rarely that quick. Here's what actually happens after conception begins.

Zinc lozenges, extra sleep, and saline rinses can shorten a cold. Here's what the evidence actually supports and what you can skip.

Dogs with lymphoma typically live weeks without treatment, but chemotherapy can extend survival to a year or more depending on the type and stage.

Your chances of conceiving peak in the days before ovulation, not during it. Here's what the numbers actually look like and what affects them.