ALL CHOKED UP Offering the strongest evidence to date, a study of half a million people in 116 cities shows that long-term exposure to tiny soot particles from coal-burning power plants and diesel engines raises the risk of lung cancer some 20%--comparable to the effect of living with a smoker. What can you do? Try air filters--or get out of town.
SEX AND THE CITY The U.S. government reports that the rate of gonorrhea infections nationwide finally leveled off in 2000. That's the good news. The bad? It shot up more than 20% in cities like Buffalo, N.Y.; Jacksonville, Fla.; Detroit;...