Stress basics
Learning Center
Chronic cough
A cough that lasts for weeks could be caused by smoking, postnasal drip, asthma, acid reflux, respiratory infections, COPD or another underlying problem.
Chronic stress puts your health at risk
Your body's stress reaction was meant to protect you. But when it's always on alert, your health can pay the price.
Coma
Learn what can cause this state of prolonged loss of consciousness. While a coma rarely lasts longer than a few weeks, some people never wake from one.
Craving and chewing ice: A sign of anemia?
Craving and chewing ice (pagophagia) is often associated with iron deficiency with or without anemia.
Diabetes symptoms: When diabetes symptoms are a concern
Diabetes symptoms can be subtle. Pay attention to the clues your body gives you.
Diabetic neuropathy types: Symptoms tell the story
Depending on which type of this condition you have, certain parts of the body may be affected. That can cause symptoms to vary.
Diarrhea
Learn more about what causes this common digestive condition, and how you can treat and prevent it.
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.
Dry orgasm
It's possible for men to reach sexual climax without ejaculating. Learn about the possible causes.
Dysarthria
This condition affects muscles used for speaking. Speech therapy and treating the underlying cause may improve speech.
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