Fitness basics
Learning Center
Vitamin D deficiency: Can it cause high blood pressure?
Too little vitamin D is bad for the bones, but what about the heart? Learn how a low vitamin D level may affect blood pressure.
Hodgkin's vs. non-Hodgkin's lymphoma: What's the difference?
Learn how types of lymphomas are determined using lab tests to examine cancer cells.
Pap test: Can it detect ovarian cancer?
Unfortunately, there is no standard or routine screening test for ovarian cancer.
Unusual COVID-19 symptoms: What are they?
Find out about the unusual symptoms of coronavirus disease 2019 (COVID-19), including COVID toes, nausea, and loss of smell or taste.
Prostate cancer: Does PSA level affect prognosis?
Find out what your PSA level may mean for your prostate cancer prognosis.
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).
Pap smear: Do I need one if I'm a virgin?
Doctors recommend regular cervical cancer screening whether you've had sex or not.
Is a home sperm test useful?
Using a home sperm test to check your fertility may not provide a clear answer.
Cervical dysplasia: Is it cancer?
Learn what to expect if a Pap test shows cells that look different from typical cervical cells. Follow-up tests might include HPV testing and colposcopy.
Calcium supplements: A risk factor for heart attack?
Learn about the possible link between calcium supplements and heart attacks.
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