ScienceInsights

Stuffy nose? Simple home remedies like saline rinses, steam, and staying hydrated can bring real relief—plus tips for kids and when to see a doctor.

Back pain is rarely one thing. Learn what's likely causing yours and which remedies actually work for lasting relief.

Women produce testosterone too, just in smaller amounts. Learn what normal levels look like across different ages and what can shift them up or down.

Sweet potatoes pack vitamin A, fiber, and antioxidants into one affordable food that supports gut health, steady blood sugar, and lasting fullness.

Sleeping on your left side benefits digestion and pregnancy, but your heart or shoulder may prefer the right. Here's what the science says.

Tylenol and ibuprofen treat pain differently, and each carries its own risks. Here's why doctors often favor acetaminophen for certain patients.

Nighttime whooping cough can be exhausting. Learn which home remedies actually help ease symptoms and when to seek medical care.

Men make up nearly 80% of U.S. suicide deaths. Learn why, which ages and jobs are most at risk, and how warning signs often look different in men.

The spine has 33 vertebrae at birth, but adults typically have 24 movable ones. Here's why both answers are technically correct.

Practical tips to relieve nighttime nasal congestion, from bedroom humidity and sleep position to decongestants and bedtime routines.