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Multiple sclerosis
This nervous system disorder causes a range of symptoms — and while there's no cure, it's possible to have long periods of remission.
Dietary supplements for erectile dysfunction: A natural treatment for ED?
Some dietary supplements for erectile dysfunction might work and some might be dangerous. Get the facts.
Blood donation
Find out what to expect during blood donation and how your blood will be used to help others.
Herbal supplements and heart medicines may not mix
Some herbal supplements can have dangerous interactions with heart medications.
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.
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