Fitness
Learning Center
How to tell if a loved one is abusing opioids
Anyone using opioids is at risk of misusing these medicines. Don't ignore signs of harmful or illegal use. Taking action could save a loved one's life.
Video: Ovulation
Ovulation — the release of an egg from an ovary — occurs about midway through the menstrual cycle. See how it happens.
Parkinson's test (a-Synuclein seed amplification assay)
Learn how this test may affect how Parkinson's disease is diagnosed in the future.
Types of dermatitis
Learn to identify types of dermatitis by how the skin looks. Examples include atopic dermatitis, contact dermatitis and seborrheic dermatitis.
Which CPAP masks are best for you?
CPAP masks come in a variety of styles. See some of your options.
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