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Learning Center
Demyelinating disease: What can you do about it?
Learn the causes and types of these diseases that affect the protective covering of nerves, which include multiple sclerosis. Also learn how they're treated.
Dense breast tissue: What it means to have dense breasts
Find out what it means if your mammogram report says you have dense breast tissue. Learn about additional breast cancer screening tests to consider.
Depo-Provera (contraceptive injection)
Depo-Provera, a contraceptive injection that's given every three months, contains the hormone progestin to help protect from unintended pregnancy.
Depression during pregnancy: You're not alone
Depression during pregnancy often goes unrecognized. Understand the risk factors for and signs and symptoms of this condition.
Depression in women: Understanding the gender gap
Women are diagnosed with depression more often than men are. Discover what factors may contribute to that increased risk.
Did the definition of Alzheimer's disease change?
What the change in the research definition of Alzheimer's disease means for you.
Different types of COVID-19 vaccines: How they work
Find out how different COVID-19 vaccines cause your body to create antibodies that will fight the COVID-19 virus.
Digestion: How long does it take?
Digestion takes about two to five days, depending on your system.
Dilation and curettage (D&C)
Learn what to expect during this procedure, how a doctor performs it to remove uterine tissue and what to watch out for during recovery.
Discolored semen: What does it mean?
Find out what causes discolored semen.
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