ScienceInsights

Baking soda can help keep toenails clean and fresh. Learn how to use it as a paste or foot soak, and when to see a doctor instead.

Learn how herniated disc symptoms differ from muscle strain, what to watch for at home, and when to see a doctor for a proper diagnosis.

A fishy smell from your penis usually has a simple cause like smegma or a mild infection. Learn what's behind it and how to fix it.

Wondering if you're pregnant? Learn when tests are most accurate, how to tell PMS from early pregnancy symptoms, and why periods can be late.

Glutamine needs vary by goal. Learn how much supports gut health, recovery, or medical use, and what the research actually says about dosing.

Memory care costs can qualify as medical deductions on your taxes. Learn what qualifies, the 7.5% AGI threshold, and how to claim a parent's expenses.

From isometric exercise to hibiscus tea, here are the lifestyle changes with the strongest evidence for lowering blood pressure naturally.

Swollen gums can often be soothed at home with saltwater rinses, cold compresses, and a few other simple remedies — plus tips on when to see a dentist.

A peanut butter banana smoothie can be a solid choice, but the details matter. Here's what's actually in your glass and when it works for you.