Think you're at low risk of developing heart disease? Think again. A new study published in the journal Circulation found that fewer than 8 percent of Americans have no risk factors for heart disease. The percentage of folks deemed to be at low risk had been rising, from just above 4 percent in the early 1970s to more than 10 percent in 1994. That trend has reversed as more of us have

Indoor tanning fanatics got some disheartening news last week when the International Agency for Research on Cancer moved tanning beds to its highest cancer risk category, calling them "carcinogenic to humans." That means that there's now enough evidence showing beyond a doubt that tanning beds can cause skin cancer and should be avoided. While tanning salons won't be outlawed, they could event