One way working out makes you healthier is by boosting your immune system, or the system in your body that helps fight off the cold, flu, COVID-19 and any other nasty virus floating around out there.

Recent research suggests that people who work out have stronger resistance to infectious diseases — including Covid — but experts say the findings need to be tested further.

Research shows exercise can boost your immune system—but it depends on the intensity and consistency of your workouts. ... that will eventually go away—unless, that is, you work out consistently.

Working out releases T cells which boosts the immune system, new study finds By JONATHAN NEAL FOR MAIL ON SUNDAY Published: 18:49 EDT, 4 November 2023 | Updated: 19:02 EDT, 4 November 2023 ...

The underlying idea behind “immunity debt” is that the immune system is a muscle that needs working out or it will become flabby and weak.

Turns out your grandma was right! If you’re heading outside on a chilly day, wearing a hat and scarf strengthens your immune system against colds and viruses.

It can be a very peaceful, sometimes religious, sometimes cultural and sometimes social experience,” one researcher said.

Turns out your grandma was right! If you're heading outside on a chilly day, wearing a hat and scarf strengthens your immune system against colds and viruses.