Biology Insights

Green poop is usually harmless and linked to diet or fast digestion, but it can sometimes signal an infection or digestive issue worth checking out.

From exercise to expressive writing, explore evidence-based coping strategies that genuinely help manage stress—and which ones tend to make things worse.

Discover which everyday foods feed your gut bacteria, how cooking affects their fiber, and simple ways to add more prebiotics to your diet.

At 31 weeks, your baby is growing fast and your body is feeling it. Here's what's normal, what to watch for, and how to stay comfortable.

Cavities aren't just a kids' problem. Learn what causes tooth decay in adults and simple steps to protect your teeth at any age.

Healthy fats do far more than store energy — they help your body absorb vitamins, build cells, balance hormones, and protect your heart.

Migraines involve four distinct phases, each with its own symptoms—from early warning signs to the dreaded "migraine hangover" that follows.

Hip pain can stem from arthritis, bursitis, or even your lower back. Learn what the location of your pain reveals and when it's time to see a doctor.

Newborns aren't ready for sleep training, but these early habits can lay the groundwork for better sleep down the road.

HSV-2 spreads mainly through skin-to-skin contact, often from people who don't know they have it. Learn what raises your risk and how to reduce it.

An itchy scalp is usually dandruff or dryness, but it can also point to psoriasis, lice, or fungal infections. Here's how to tell them apart.

Griseofulvin treats fungal infections like ringworm and athlete's foot. Learn how it works, how long treatment takes, and its side effects.

Learn what lavender, peppermint, tea tree, and other popular essential oils actually do for your body, plus how to use them safely.

Whether oatmeal is safe with diverticulitis depends on timing. Learn when to avoid it and when it can actually support your digestive health.

Sore legs after a workout? Learn when to use heat or ice, how to foam roll properly, and what foods help your muscles recover faster.

Black period blood is usually just older blood that took longer to leave your body, though sometimes it can point to an infection or other condition worth checking out.

Benadryl can help with mild allergy symptoms, but it has real limitations and risks worth knowing before you reach for it.

Groin sweat is normal, but manageable. Learn which underwear, powders, and daily habits actually help keep things dry and comfortable down there.