Aerobic exercise
Learning Center
Sex after years of abstinence: OK to resume?
With time and patience, you can resume sexual activity at any age.
Baby sign language: A good idea?
Understand the benefits of baby sign language.
Eastern equine encephalitis (EEE): What is it?
Find out more about a virus spread to people by mosquitoes, its symptoms and ways to prevent being infected with it.
Cryptogenic organizing pneumonia
Cryptogenic organizing pneumonia affects your lungs' small airways and air-exchange sacs.
Barrel chest: What causes it?
Barrel chest isn't a disease, but it may indicate an underlying condition, such as chronic obstructive pulmonary disease (COPD).
Barefoot running shoes: Better than traditional running shoes?
Barefoot running shoes are designed to protect your feet while mimicking the mechanics of barefoot running.
Pseudoclaudication: Is it related to claudication?
Pseudoclaudication and claudication causes leg pain for different reasons. One is caused by pinched spinal nerves while the other is a circulation problem.
Did the definition of Alzheimer's disease change?
What the change in the research definition of Alzheimer's disease means for you.
COVID-19 and pets: Can dogs and cats get COVID-19?
Find out how COVID-19 can affect dogs and cats, what you can do to protect your pet, and how to care for your pet if it becomes sick.
Kids and exercise: How much activity do they need?
You know your kids should exercise, but how much? Find out and get ideas for helping children and adolescents be more physically active.
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