ScienceInsights

Jet lag typically lasts 1–2 days per time zone crossed, but direction of travel and age matter. Here's what your body goes through and how to recover faster.

REM sleep happens mostly in the early morning hours, so small habit shifts—like a consistent wake time and cutting alcohol early—can meaningfully increase how much you get.

Learn safe, practical ways to relieve trapped water or fluid in your ear at home, and when it's time to see a doctor.

Brown discharge is usually old blood and nothing serious, but certain signs mean it's worth seeing a doctor. Here's how to tell the difference.

Pediatricians weigh in on Prime Hydration's high potassium, artificial sweeteners, and why water is still the better choice for most kids.

One ounce of chia seeds daily is a solid target for most people, but timing, preparation, and your health history all play a role in getting the most from them.

Sinus infections can last anywhere from a few days to several weeks depending on the type. Learn what to expect and what actually helps you recover faster.

Propel water has some useful electrolytes, but is it worth drinking daily? Here's what the ingredients actually mean for your health.

From quick-acting antacids to prescription PPIs, here's how the main acid reflux treatments work and how to choose the right one for your situation.

Got a flu shot? Learn which post-vaccine restrictions are backed by science and which ones you can safely ignore.