SUNDAY, April 8 (HealthDay News) -- The potential dangers of trampolines were highlighted recently when professional baseball player Joba Chamberlain suffered a career-threatening ankle injury while jumping on a trampoline with his 5-year-old son, experts say.

SUNDAY, April 8 (HealthDay News) -- An international team of researchers has identified hundreds of new genes that are mutated in stomach cancer, in a finding they say could lead to treatments tailored to the genetic make-up of individual stomach tumors.

SUNDAY, April 8 (HealthDay News) -- For the first time, scientists have isolated mutations at two gene locations that seem to predispose children to becoming obese.