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  1. WebMD is a trusted source of health and medical information, with expert reviews, community support, and educational services. Find a doctor near you or browse health news.

  2. 2021年1月14日 · Use WebMD’s Pill Identifier to find and identify any over-the-counter or prescription drug, pill, or medication by color, shape, or imprint and easily compare pictures of multiple drugs.

  3. 2022年9月14日 · Causes of thunderclap headaches include: Blood vessel tear, rupture, or blockage. Head injury. Hemorrhagic stroke from a ruptured blood vessel in your brain. Ischemic stroke from a blocked blood ...

  4. 2023年10月8日 · This term means "lots of echoes." These areas bounce back many sound waves. They appear as light gray on the ultrasound. Hyperechoic masses are not as dense as hypoechoic ones are. They may ...

  5. 2020年11月19日 · 1. Pelvic Tilts. This exercise will help strengthen the muscles in your lower back: Step 1: Lie on your back on the floor or an exercise mat. Step 2: Activate your core and butt muscles to flatten ...

  6. 2022年8月2日 · But then something happens to cause a rash or itchiness. Some things that trigger atopic dermatitis or make it worse include: Strong soaps and detergents. Some fabrics, like wool or scratchy ...

  7. 2023年4月28日 · Somewhere between the ages of 9 and 15, your pituitary gland releases hormones that tell your body to start making testosterone. Puberty begins and brings changes. Your testes (testicles), scrotum ...