ScienceInsights

Yes, dogs can pass ringworm to humans through direct contact. Learn what symptoms to look for, who's most vulnerable, and how to treat it in both pets and people.

How much tuna is safe to eat each week depends on the type, your age, and whether you're pregnant. Here's what the guidelines actually say.

Walking 12 miles a day has real health benefits, but it also comes with time demands and injury risks. Here's who it actually makes sense for.

Swollen gums can have several causes, from plaque buildup to vitamin deficiencies. Learn which home remedies help and when to see a dentist.

Learn the safest ways to dispose of old medications at home, from the trash method to take-back programs, including what to flush and what to avoid.

Teething relief comes down to a few simple strategies. Learn what actually works, what to skip, and how to help your baby eat and sleep more comfortably.

STD testing usually involves a urine sample, blood draw, or swab — here's what each test checks for and what to expect during a visit.

Dark yellow or amber urine is a key sign of dehydration. Learn what your urine color actually means and when to pay closer attention.

Medicare starts at 65 for most people, but disability or kidney failure can qualify you earlier. Learn when to enroll and how to avoid late penalties.

Babies swallow air during feeding and lack the muscle control to release it alone. Here's what parents need to know about burping.