Is the Common Cold Caused by a Virus or Bacteria?
Colds are always caused by viruses, not bacteria—which is why antibiotics won't help. Here's what actually works for relief.
Is There an Alternative to a Colonoscopy? Yes
Colonoscopy isn't your only option for colorectal cancer screening. Learn about stool tests, virtual colonoscopy, and other alternatives that may work for you.
Is It Bad to Drink Every Day? Risks Explained
Daily drinking affects your liver, brain, sleep, and cancer risk more than most people realize. Here's what the science actually says.
Why Does My One Ear Feel Blocked or Clogged?
A blocked ear usually comes down to a handful of common causes, from earwax to pressure changes, and most are easy to treat.
How to Get Rid of an Infected Throat Fast
Throat infection treatment depends on whether it's viral or bacterial. Learn what actually helps, when antibiotics are needed, and what to expect during recovery.
What Are Novocaine Side Effects and Who’s at Risk?
Novocaine is generally safe, but side effects like numbness, dizziness, and rare allergic reactions can occur. Learn who's at higher risk and what to expect.
What Are the Signs of an Eating Disorder?
Learn the behavioral, physical, and emotional signs of eating disorders, including anorexia, bulimia, binge eating disorder, and ARFID.
What Does Vitamin B12 Do? Nerves, Blood & Energy
Vitamin B12 keeps your nerves healthy, helps make red blood cells, and plays a key role in energy. Learn how it works, how much you need, and who's at risk of deficiency.
What Happens to Your Body During Sex, Explained
From your heart rate to your hormones, here's a plain-science look at what your body is actually doing during sex.
How Do You Fix an Ingrown Hair: Treatments That Work
Ingrown hairs are frustrating but usually fixable at home. Learn what actually works, from warm compresses to exfoliation, and when to see a doctor.