Aerobic exercise
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5K run: 7-week training schedule for beginners
Running a 5K? Make it to race day in seven weeks.
Article
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.
Disease
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.
Article