ScienceInsights

Randy Gardner stayed awake for 11 days in 1964. Here's what happened to his body and what science says about how long humans can actually go without sleep.

Learn how leukemia, lymphoma, and myeloma differ, how each is diagnosed, and what treatment options are available for blood cancers.

Burning feet often point to nerve damage, diabetes, or vitamin deficiencies. Learn what's likely causing yours and when to see a doctor.

Some period-shortening tips actually work, like ibuprofen and hormonal birth control. Others, like staying hydrated, don't. Here's what the science says.

Most pregnancy symptoms show up between weeks 4 and 6, but timing varies widely. Here's what to expect and when.

Facial mosquito bites swell more and heal slower. Here's what actually helps reduce itching, puffiness, and redness safely on your face.

Loose skin after weight loss isn't inevitable. Learn how pace, muscle building, and nutrition can help your skin keep up as you slim down.

From non-drowsy antihistamines to topical creams, here are safer, effective alternatives to Benadryl for relieving itchy skin and hives.

From sleep and hydration to antivirals and zinc, here's what actually helps when you're down with the flu at home.

Sudden ankle swelling can have many causes, from too much salt to serious conditions like blood clots. Here's how to tell what's going on.