ScienceInsights

Steam, honey, hydration, and a few surprising tricks can help loosen stubborn chest congestion at home — plus when to see a doctor.

Dealing with a dry, flaky scalp? Learn what's actually causing it and simple ways to find relief, from adjusting your wash routine to moisturizing treatments.

Safe foods offer comfort in eating disorders, but a narrow diet has real risks. Learn how treatment can gently help expand food choices over time.

Iodized sea salt sounds healthy, but most sea salt isn't iodized. Here's what that means for your iodine intake and how to make smart choices.

Most people do well with one to three cups of burdock root tea daily, but your ideal amount depends on your health and how your body responds.

True sinus headaches are less common than you'd think. Here's how to confirm what you have and ease the pressure with saline, steam, and the right medications.

Stronger erections often come down to lifestyle. Learn how exercise, diet, sleep, and a few key habits support healthy erectile function.

Edibles can take 30 minutes to 2 hours to kick in. Learn what affects onset time and why the experience differs from smoking.

Your daily water needs depend on more than just thirst. Learn how much is right for your body, what counts toward intake, and when you need extra.