ScienceInsights

Tea tree oil can help with acne, dandruff, and fungal infections, but it needs proper dilution and isn't right for every skin type.

Cannabis smoke carries real respiratory risks, from chronic bronchitis to rare lung disease. Here's what the research actually shows about weed and lung health.

BMI ranges for women aren't one-size-fits-all. Learn why age, ethnicity, and body composition all affect what a healthy BMI actually means for you.

A clear look at the brain, spinal cord, and key structures that make up your central nervous system and keep your body running.

Blocked tear ducts in adults can often be treated at home, but some cases need medical care. Learn what works and when to see a doctor.

Leaking amniotic fluid can be hard to tell apart from urine or discharge. Here's how to recognize it by look, feel, and smell, and when to call your doctor.

PCOS can make getting pregnant harder, but lifestyle changes, ovulation tracking, and fertility medications can meaningfully improve your chances.

Adderall can affect your heart, sleep, appetite, and mood. Here's what to expect and how to manage common side effects at different doses.

Stiff neck got you down? Learn what causes it, which stretches help fast, and simple changes to prevent it from coming back.

Strep throat needs antibiotics, but these home remedies can ease the pain while you recover — plus what to skip and when to expect relief.