BIRMINGHAM, Ala. - Beware: Puttering around on golf carts can be hazardous to your health. Those little vehicles that lurch and buzz past fairways and greens — and increasingly down suburban streets — might be a cost-saving alternative to gas-guzzling SUVs and cars. But a pair of studies released this week suggests they do have their risks. The research found that over a four-year period, nearly 50,000 people were hurt in accidents involving golf carts. One of the studies, by the University of Alabama at Birmingham, said about 1,000 Americans are hurt on golf carts every month. Males aged 10...