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How healthy is very strenuous exercise?

How healthy is very strenuous exercise?

Regular physical activity is essential for staying healthy, but, according to the results of a study published in Cell Metabolism, overdoing it may even become counterproductive

Ageing: immune system cells also lose their memory

Ageing: immune system cells also lose their memory

As we age, some cells of the immune system seem to lose their memory and revert to resembling those of infants. This makes them less effective in responding to previously encountered pathogens and could have implications in the development of new vaccines