ScienceInsights

From sex to a positive test, pregnancy unfolds over several weeks. Here's what's actually happening in your body during each step of the process.

The Berg Balance Scale uses 14 everyday tasks to assess fall risk and balance ability, scored from 0–56. Here's how it works and what the results mean.

40 units of Botox is common for some areas but may be too much or too little depending on where it's injected and your individual needs.

Find out which foods help settle your stomach during diarrhea, what to avoid, and how to stay hydrated until you feel better.

Vitamin A supports vision, immunity, skin, and bone health, but getting the right amount matters — too little or too much can both cause problems.

Azithromycin isn't typically used for UTIs, but it does treat certain infections with similar symptoms. Here's when it's prescribed and what to expect.

Losing weight on prednisone can stem from muscle loss, nausea, withdrawal, or your underlying condition. Here's how to tell what's driving it.

Leg and foot swelling has many causes, from harmless habits to heart or kidney issues. Learn what's behind the puffiness and when it's worth a doctor's visit.

Glucagon kits can cost hundreds of dollars, but several programs can help you get one for free or low cost. Here's where to start.

Once you meet your deductible, insurance starts sharing costs—but you're not done paying. Here's what to expect for the rest of the year.