2 cigarettes per day Only smoking 2-5 a still doubles the risk of heart disease, study finds Just 2 cigarettes a day

According to a letter published in the New England Journal of Medicine, the vapor in e-cigs may contain up to 15 times the formaldehyde that's in regular tobacco-containing cigarettes

For as long as humans have been putting shoes on their feet, theyve been finding more and more extreme ways to fashion them

While Doggett wasn't an immediate hit with X-Files devotees, he eventually developed a friendship and chemistry with Scully and was actually the focal point of some of season 8's best episodes

Studies show that the chemicals within cigarettes, such as arsenic, nicotine, lead and ethyl phenol, could leach into salt and fresh water and be acutely toxic to aquatic micro-organisms and fish