ScienceInsights

Happy hypoxia is when blood oxygen drops dangerously low without causing breathlessness — here's why it happens and what to watch for.

Exfoliation can improve uneven skin tone, but there's a difference between brightening and true lightening—and getting it wrong can backfire.

Rhythmic gymnastics is Olympic-recognized and physically grueling. Here's what the science and facts say about why it qualifies as a sport.

Statins lower cholesterol and reduce heart disease risk, but there's more to know. Learn how they work, who needs them, and what side effects to expect.

Freezing can make raw fish safer by killing parasites, but home freezers often don't get cold enough, and bacteria are a whole other concern.

Chemo-related breathlessness is common but manageable. Learn practical breathing techniques, energy-saving tips, and when to call your care team.

Saline leaks are obvious, but silicone ones often aren't. Learn the signs of a leaking breast implant and when to see a doctor.

The 21st Century Cures Act reshaped U.S. healthcare by speeding up drug approvals, funding major research, and giving patients more control over their health data.

Learn how dermal fillers add volume and smooth wrinkles, the different filler materials available, and what to expect during and after treatment.

Nasal vestibulitis is usually minor, but its location near key blood vessels means knowing the warning signs matters more than you'd think.