The study found that men who smoked one cigarette per day had 46% of the excess risk of heart disease and 41% of the excess risk of stroke associated with smoking 20 cigarettes per day

The study found that the children's hands hold high levels of nicotine even when parents are not smoking around them and sheds new light on dangers of third-hand smoke

Despite decades of tobacco control policies, about 1 billion people worldwide were found to be smoking daily in 2015

Opthalmologists blame smoking as one of the main causes for glaucoma, which is seeing a rising trend in India