Today's health news includes the genetics of picky eating, new rules on research misconduct, and a Science issue devoted to rats.

But those failing to tempt their child to eat their broccoli can take solace, as research has found that picky eating is largely down to genes rather than environment. A new study led by researchers from University College London,

Pulling your hair out in frustration with your finicky youngster? Don't blame your parenting style -- genetics likely played a huge role in their eating habits, a new study finds.

Scientists in England found that picky eating was 60 percent genetic among toddlers and 74 percent in children older than 3.