Flying may just be more dangerous than you'd previously thought.
Learn about the link between memory and blood sugar on this Moment of Science.
Toxins produced by the nasty streptococci bacteria are released at the site of infection and are absorbed into the infected person’s blood stream.
After digestion, glucose travels throughout the body in the blood stream. It enters all of our cells with the help of a hormone called insulin: insulin picks up the glucose and carries it into each cell, like a groom carrying a bride over the threshold.