Our bodies change as we age, and things we may have done effortlessly in our 20s—such as sprinting up a flight of stairs or touching our toes—become more challenging later in life. Maintenance also becomes more important to keep our bodies receptive to whatever we ask of them.
Like the rest of our body, the immune system suffers this age-related decline, making us more susceptible to infections and disease. But new research has discovered a molecule that can slow and perhaps even reverse the natural decline in immune function that happens as we age.
