Tread carefully during dark days: Winter sees more traffic accidents “In the past three years, 23 people have been killed by vehicles while walking in Seattle, according to the city. About 1,500 more people were hit by cars or trucks, often suffering devastating brain or back injuries that permanently changed their lives, and the lives of their families. November, December and January are the most dangerous months; on average 54 people a month are hit in the winter.” Medical Side Note: Patients waiting longer in emergency rooms Hormone therapy raises risk quickly, study finds Cholesterol drug falls short of hopes Rat heart created in lab signals hope for humans