Biology Insights

DayQuil dosing limits vary by formulation, and exceeding them can stress your liver. Here's how to take it safely throughout the day.

Flu B is contagious from a day before symptoms through about 5-7 days after. Here's what that means for when it's safe to be around others.

Smoking cannabis can irritate your airways and stress your heart. Here's what the research says about the real risks and what changes when you quit.

Learn how to care for bed sores on the buttocks at home, from identifying the stage to cleaning, dressing, and knowing when to see a doctor.

A D&C typically takes 10–15 minutes, but prep and recovery add hours. Here's what to expect on the day and in the weeks that follow.

Stomach cancer symptoms often mimic common digestive issues. Learn which warning signs to watch for, who's at higher risk, and when to talk to your doctor.

Vitamin K does more than help blood clot. Learn how it supports bone density, protects arteries, and why your diet choices actually matter.

Salmonella symptoms can appear anywhere from 6 hours to 6 days after exposure and may linger longer than you'd expect, including after you start feeling better.

From staying hydrated to magnesium supplements, here are natural ways that may help shorten your period and ease symptoms.

Learn the behavioral, physical, and environmental signs that may indicate someone is using meth, and what to do if you're concerned about a loved one.

Light spotting in early pregnancy is common, but knowing when to call your doctor matters. Learn what's normal and what signs to watch for.

Styes usually clear up with warm compresses in a week or two. Learn what actually helps, what to avoid, and when to see a doctor.

Most UTI symptoms ease within 1–2 days of antibiotics, but full recovery depends on infection type. Here's what to expect and when to check back in with your doctor.

Lower abdominal pain in early pregnancy is often normal, but some causes need prompt attention. Learn what's typical and when to call your doctor.

Tubal ligation can cost little to nothing with insurance or Medicaid, but out-of-pocket prices vary widely. Here's what to expect and how to save.

Sudden excess gas usually comes down to diet, digestion, or gut bacteria. Here's how to figure out the cause and what you can do about it.

Lost your mucus plug and wondering what comes next? Learn what it really means for labor timing and which methods may help things along safely.