Staying healthy
Learning Center
Posture check: Do you stand up straight?
Good posture minimizes strain on your joints and muscles, which can help prevent aches and pains. So what's good posture? When you're standing, keep your chest held high and your shoulders back and relaxed. Try not to tilt your head forward, backward or sideways. Pull in your abdomen and buttocks. Make sure your knees are relaxed, not locked. Keep your feet parallel and your weight balanced evenly on both feet.
Posture: Align yourself for good health
Good posture helps prevent pain and injury, boosts confidence and mood. Improving your posture will take time and effort, but the benefits are worth it.
Priapism
Understand the symptoms, possible causes and treatment of prolonged erection of the penis, including when to seek emergency care.
Prostate cancer metastasis: Where does prostate cancer spread?
Prostate cancer can spread (metastasize) just about anywhere in the body, but it's most likely to spread to the lymph nodes and bones.
Puberty blockers for transgender and gender-diverse youth
Understand how puberty blockers work to suppress puberty. Learn about their benefits, side effects and long-term effects.
Rheumatoid arthritis
This chronic inflammatory disorder can affect more than just your joints. It can also damage your skin, eyes, lungs, heart and blood vessels.
Rheumatoid arthritis: Can it affect the eyes?
Although rheumatoid arthritis is primarily a joint disease, it occasionally affects the eyes.
Rheumatoid arthritis: Can it affect the lungs?
Although rheumatoid arthritis primarily affects the joints, it can also affect the lungs.
Silicone breast implants: What happens if they rupture?
Understand the health effects of ruptured silicone breast implants.
Sitting risks: How harmful is too much sitting?
Sitting for long periods — such as in front of the TV or at a desk — appears to increase risk of death from cardiovascular disease and cancer.
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