30 minutes of exercise is key to health in old age
Elderly men who do 30 minutes of physical activity six days a week are likely to have a 40-percent lower risk of death compared to couch-potato counterparts.
Beijing raises cigarette tax to deter smoking
China will more than double the tax on tobacco to 11 percent, as authorities try to deter smoking in the world's largest producer and consumer of tobacco.
E-cigarette use triples in US teens
Some two million US high school students tried e-cigarettes last year, a rate that tripled in just one year, US health authorities said.
Singer Joni Mitchell hospitalized in US
Canadian singer Joni Mitchell, one of the symbols of the Woodstock generation, was in intensive care in a Los Angeles hospital, according to her website.
