ScienceInsights

Practical ways to ease nasal congestion at home, from saline rinses and steam to sleep positions and when to see a doctor.

Most chalazia clear up on their own in a few weeks, but some need medical help. Learn what affects healing time and when to see a doctor.

Millions of Americans are living with cancer today. Here's a clear look at current case numbers, common types, survival trends, and who is most affected.

From early decay to emergency signs, here's how to identify your cavity stage and what treatment to expect at the dentist.

Most adults can take Tylenol every 4 to 6 hours, but the daily limit and hidden acetaminophen in other products matter just as much as timing.

Light spotting before your period? Learn how color, flow, timing, and cramping can help you tell implantation bleeding apart from a regular period.

Hanging belly fat responds to diet, sleep, and compound exercise — not crunches. Here's what the science says actually works.

THC can stay in your system days or weeks depending on how often you use it. Here's what affects detection times across different drug tests.

Multilevel degenerative disc disease has real treatment options, from physical therapy and pain management to surgery when needed.