Biology Insights

Slow breathing can lower blood pressure quickly, but 30 seconds rarely cuts it. Here's what actually works and when a high reading needs urgent care.

At 18 weeks pregnant, you're in the second trimester. Here's what your baby is doing, what to expect at your anatomy scan, and changes you may notice.

Goliath hair in D&D 5e is sparse but not absent. Here's what the lore actually says and how to use it when building your character.

Sociopaths may lack empathy, but research shows they can still experience depression, anxiety, and emotional pain in their own way.

Azelaic acid can help with fungal acne by targeting Malassezia yeast. Learn how it works, what results to expect, and how to use it effectively.

Stimulants can worsen anxiety in some people, but the picture is more nuanced. Here's what the research says about managing both ADHD and anxiety.

Junk food cravings aren't a lack of willpower—your brain, stress response, and food engineering all play a role.

From vision standards to mental health screening, here's what NASA looks for—and what can rule you out—when selecting astronaut candidates.

Pine needles are edible and surprisingly nutritious, but some species are toxic. Learn which are safe, how to use them, and what to watch out for.

Supplement capsules can be made from gelatin, HPMC, or pullulan. Here's what each material means for you and how to find out what's in your bottle.

Detox drinks and home remedies promise to flush drugs from your system, but labs are wise to these tricks. Here's what the science actually says.

Learn how to use gotu kola leaves in your kitchen — raw in salads, blended into juice, or cooked in stir-fries — plus their benefits and safe intake tips.

Methadone, buprenorphine, and naltrexone are the main medications used to treat opioid addiction, each working differently to support recovery.

Gallbladder attacks during pregnancy are more common than you'd think. Learn safe ways to manage pain, what to eat, and when surgery may be needed.