ScienceInsights

Expired acetaminophen may still be safe and effective for years past its date—if stored properly. Here's what you need to know before tossing it out.

Motherhood rates in the U.S. have shifted over decades. See how age, education, and ethnicity shape who has children and what younger women say they want.

Science-backed ways to shake off morning grogginess fast, from light exposure and cold water to coffee naps and breathwork.

Learn practical, science-backed ways to raise your HDL cholesterol through diet, exercise, and lifestyle changes that actually make a difference.

Green grapes have around 104 calories per cup and offer a good mix of vitamins, antioxidants, and natural sugars to fit into a balanced diet.

Your lungs already clean themselves — learn how to support that process with hydration, breathing exercises, and cleaner air at home.

Probiotics can support digestion, immunity, skin, and mood—but they're not one-size-fits-all. Here's what the science actually says.

Leg cramps can often be prevented with regular calf stretches, balanced electrolytes, and a few simple lifestyle tweaks.

DayQuil pills typically last 4 hours, but the active ingredients wear off at different rates. Here's what to expect and how to dose safely.

Stomach pain has many causes, from gas to food intolerances. Learn what your symptoms likely mean and which warning signs deserve a doctor's attention.