nih.gov

oRKEA TIL that donated organs are constantly attacked by the recipient’s immune system, which can age them faster, and that immunosuppressive drugs are needed to avoid rejection and infection.
rN990 TIL that despite the stereotypes, video games can actually have numerous benefits for our cognitive abilities, mental well-being and social skills!
x6aab TIL: The human body contains trillions of microorganisms — outnumbering human cells by 10 to 1. Because of their small size, however, microorganisms make up only about 1 to 3 percent of the body's mass (in a 200-pound adult, that’s 2 to 6 pounds of bacteria), but play a vital role in human health.