When your immune system tires out, disease risk goes up. But there are ways to keep your immunity young and strong.
Specifically, they measured the percentage of T-cells, which the thymus gland produces. These cells make up an important component of
because they help fight off infection. As people age, tissue in the thymus gland shrinks, resulting in reduced production of T-cells, which is one reason why older people may be at higher risk of disease development.in the study had “older” immune systems, with lower amounts of T-cells. Most notably, they had less of what’s called “naive T-cells,” which haven’t yet encountered antigens like viruses and bacteria.
“Ideally, you want to have a large, diverse group of these naive T-cells so that they can be ready to respond to new threats you haven’t encountered before, including novel threats like
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