Fitness basics
Learning Center
Pulse pressure: An indicator of heart health?
Pulse pressure may be a strong predictor of heart problems, especially for older adults.
Prostatitis: Can sexual activity make it worse?
Some men with prostatitis have pain with ejaculation or sexual activity.
Pros and cons of taking a magnesium supplement
Magnesium supplements are popular but not risk-free. Fortunately food sources are easy to add to your diet.
Pomegranate juice: Can it lower cholesterol?
Small studies suggest that pomegranate juice might help lower cholesterol. Find out more about this antioxidant-rich juice.
Petroleum jelly: Safe for a dry nose?
Rarely, inhaling petroleum jelly for prolonged periods can cause lung inflammation (lipoid pneumonia).
Ozone air purifiers: Can they improve asthma symptoms?
Ozone air purifiers don't reduce asthma symptoms. In fact, they can make asthma worse.
Opioids: Safe for older people with arthritis?
Opioids aren't the first choice for a chronic condition such as arthritis. And some of their side effects may be particularly concerning for older people.
Neti pot: Can it clear my nose?
Learn more about this container designed to rinse debris or mucus from the nasal cavity.
Neti pot solution: Can I make my own?
A homemade neti pot solution is just as effective as the over-the-counter variety.
Melatonin side effects: What are the risks?
Melatonin is generally safe for short-term use but can cause side effects.
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