In addition to strengthening the muscles, lungs, and heart, regular physical exercise also strengthens the immune system. This finding came from a study of older adults with a history of endurance ...
Regulatory T cells (red) interact with other immune cells (blue) and modulate immune responses. National Institute of Allergy and Infectious Diseases/NIH via Flickr Every day, your immune system ...
During the recent Covid-19 pandemic, the rate of serious illness and death was jarringly high in older populations. Why? Weakening immune systems — as we age, we become more vulnerable to infections, ...
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