ScienceInsights

Fat-free diets cut more than calories — they can affect hormones, vitamins, and even gallbladder health. Here's what the science actually says.

Swollen gums are usually caused by plaque buildup, but hormones, medications, and other factors play a role too. Learn what helps and when to see a dentist.

Learn the safe daily limits for Advil, how long you can take it, and who faces higher risks from overuse like GI bleeding or kidney damage.

At 26 weeks, your baby is about the size of a scallion, opening their eyes and developing brain activity, sleep cycles, and nearly-ready lungs.

Learn the physical signs, test results, and lifestyle factors that can point to fertility issues in men, and when to see a doctor.

Learn how to recognize warning signs, have honest conversations, and support a suicidal spouse while also taking care of your own mental health.

From heat therapy to anti-inflammatories, here are practical ways to ease ovarian cyst pain and when to seek medical care.

Flaky scalp got you down? Learn what's actually causing it and which treatments work best, from medicated shampoos to lifestyle tweaks.

I-statements help you express feelings without blame. Learn how they work, how they differ from you-statements, and how to use them in everyday conversations.

Cardio isn't required for weight loss. Diet, strength training, and daily movement often matter more than hours on the treadmill.