Fitness basics
Learning Center
Ovarian cysts and infertility: A connection?
Certain types of ovarian cysts can contribute to fertility problems.
Phantosmia: What causes olfactory hallucinations?
Phantosmia is often due to a head injury or upper respiratory infection.
Hyperinflated lungs: What does it mean?
If you can’t breathe out well, as in COPD, air may get trapped inside your lungs. As you breathe in more air over time, your lungs get too big and stiff.
Calcium supplements: A risk factor for heart attack?
Learn about the possible link between calcium supplements and heart attacks.
Hypertensive crisis: What are the symptoms?
A sudden rise in blood pressure over 180/120 mm Hg is considered a medical emergency, or crisis. It can lead to a stroke. Know the symptoms.
Autism spectrum disorder and digestive symptoms
Children with autism spectrum disorder often have other health issues, including problems related to digestion.
Fundal height: An accurate sign of fetal growth?
Understand how fundal height is measured and what it means.
Enlarged prostate: Does diet play a role?
Lifestyle factors such as diet appear to play a role in benign prostatic hyperplasia (BPH). See what lifestyle changes may help with symptoms.
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about vitamin D and coronavirus disease 2019 (COVID-19).
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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