Category: immune system

Nail biting has been associated with a better functioning immune system because of the exposure to germs on a small scale that your body can build antibodies to.

Photo : OUCHcharley / Flickr

Kindergartners in Siberia run outside in their underwears and dump freezing water over themselves to strengthen their immune systems. 

Children raised in a rural environment, surrounded by animals and bacteria-laden dust, grow up to have more stress-resilient immune systems and might be at lower risk of mental illness than pet-free city dwellers; according to new research.

Science says booger-eating and nose-picking is healthy. It turns out that snot is actually full of bacteria that helps your teeth, immune system, and overall health.

Doctors believe eating your boogers strengthens your immune system.