Fitness
Learning Center
Natural breast enhancement: Do supplements work?
Breast enhancement supplements haven't been proved effective and could cause side effects.
Pap smear: Do I need one if I'm a virgin?
Doctors recommend regular cervical cancer screening whether you've had sex or not.
Polypill: Does it treat heart disease?
This combination pill contains small doses of several commonly prescribed heart disease medicines.
HER2-positive breast cancer: What is it?
HER2-positive breast cancer tends to be more aggressive than other types of breast cancer. Treatments that target HER2 are very effective.
Isometric exercises: Good for strength training?
Learn more about isometric exercises that contract a particular muscle or group of muscles.
Ozone air purifiers: Can they improve asthma symptoms?
Ozone air purifiers don't reduce asthma symptoms. In fact, they can make asthma worse.
X-ray during pregnancy: Is it safe?
Learn when an X-ray during pregnancy might cause harm and how to avoid it.
Headaches during pregnancy: What's the best treatment?
Headaches during pregnancy are common. Here's help easing the pain.
Calcium supplements: A risk factor for heart attack?
Learn about the possible link between calcium supplements and heart attacks.
COVID-19 infections by race: What's behind the health disparities?
Understand how underlying health problems, the places where people live and work, and racism can affect who becomes severely ill with COVID-19.
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