It boosts immune function. Walking can help protect you during cold and flu season. A study of over 1,000 men and women found that those who walked at least 20 minutes a day, at least 5 days a week, had 43% fewer sick days than those who exercised once a week or less.

Is being outside good for immune system?

Fresh air, sun, trees. Nature is a magical thing, and according to some studies, can have strong healing powers — such as improving mood, boosting the immune system and increasing anti-cancer proteins.

Does walking improve immunity?

Regularly going for a walk or taking a bike ride can benefit your immune system by helping immune cells to perform effectively — increasing blood flow, reducing stress and inflammation, and strengthening antibodies.