(HealthDay News) -- Household pets can carry germs that can be transmitted to people.

(HealthDay News) -- Holiday stress can quickly spiral out of control. But you can take steps to keep your holidays merry and bright, not frantic and frazzled.

TUESDAY, Dec. 18 (HealthDay News) -- Speed bumps are great for slowing down heavy-footed motorists, but they might speed up the diagnosis of acute appendicitis, a new study says.

TUESDAY, Dec. 18 (HealthDay News) -- Scientists report that they have uncovered the biology behind the magic of how Rudolph's nose glows in the dark as he guides Santa's sleigh around the globe on Christmas Eve.

MONDAY, Dec. 17 (HealthDay News) -- A new study reveals how conspirators may have murdered the Egyptian king Ramesses III, who reigned from 1186 to 1155 B.C.

MONDAY, Dec. 17 (HealthDay News) -- More costly, intensive treatment is no better than usual care at hastening recovery from whiplash, a new study finds.

TUESDAY, Dec. 18 (HealthDay News) -- Half of the states in the nation have rebuffed a key provision of the Obama administration's health reform law: the creation of state-based health insurance exchanges, according to data compiled by the Henry J. Kaiser Family Foundation.

TUESDAY, Dec. 18 (HealthDay News) -- Repeat CT scans deliver a big dose of potentially hazardous radiation over time, but the short-term benefit may outweigh the long-term risk for men with testicular cancer, a new study suggests.

TUESDAY, Dec. 18 (HealthDay News) -- In a new study, children who were given combined snacks of cheese and vegetables consumed far fewer calories than those who had potato chips, and they were just as satisfied with their snack.