DOCTOR'S ORDERS.

Presents news briefs about health and science. Studies that have shown that exercise reduces the risk of developing colon cancer, as well as reducing the risk of recurrence and death for those who already have the disease; Assertion that older people should have their prescription drugs put into blister packages, in order to keep track of when they have taken them; Speculation on whether wearing the color red boosts an athlete's testosterone levels; Description of research on the science of smell and whether calling an odor by a different name makes it more pleasant to smell.