The federal government said Friday it would ban minors from using indoor tanning beds, taking action on an issue that many states are already handling. The Food and Drug Administration said the proposed measure was in response to 1.6 million minors using indoor tanning beds each year, according to 2013 federal data. The problem is that indoor tanning is a "known contributor to skin cancer," the agency said. People who have been exposed to radiation from tanning beds are 59 percent more likely to develop melanoma, a dangerous form of skin cancer, than those who never have used the beds,...