ScienceInsights

CBC and CBD come from the same plant but work differently in the body. Here's what sets these two cannabinoids apart.

Most kidney stone procedures are outpatient, but your stone size, health, and treatment type affect whether you go home the same day.

Lucid dreaming feels surprisingly real — vivid sights, sounds, and emotions while you sleep. Here's what the experience is actually like and why it happens.

Obesity affects over 1 billion people worldwide. See the latest U.S. and global stats broken down by age, race, and BMI class.

Learn how to find and measure your pulse, understand what your heart rate numbers mean, and use this simple tool to monitor your health over time.

Concussion headaches need careful treatment. Learn which pain relievers are safe, how gentle exercise helps, and when to seek emergency care.

Night sweats have many causes, from hormones and medications to sleep apnea. Learn what's likely harmless and what patterns are worth discussing with a doctor.

From heat therapy to magnesium, discover which period cramp remedies actually work and how to combine them when pain is at its worst.

Learn how to apply topical finasteride correctly, from scalp prep to timing, formulations, and combining it with other hair loss treatments.

Learn how alcohol, cannabis, opioids, and common medications cross the placenta and affect fetal development at different stages of pregnancy.