Some people's immune systems aren't able to stop foreign invaders, such as COVID-19, as well as the rest of the population. There are many reasons for this, including illness, medications and age.
Though it was previously thought vigorous exercise could suppress immune function, research shows that most forms of regular exercise can help your immune system to work its best.
Sleep supports our immune function and helps us deal with stress. During this uncertain time, making sleep a priority is more than self-care – it's essential.
Different demographics are more or less vulnerable to serious complications from the coronavirus. A virologist explains the aging-related changes in how immune systems work that are to blame.