Scientists say they have finally figured out how smoking helps people keep off extra pounds.It turns out that nicotine activates a pathway in the brain that suppresses appetite, according to a study in the journal Science.
A new study suggests that efforts to address the obesity epidemic should include dramatically changing the workday. Some are already dong so, using treadmill desks at work to burn calories. And in Portland, Ore., city officials are trying to get desk-bound workers up and about.
A new study links rising rates of obesity to the increasingly sedentary workplace. Some are already revamping the workday, using treadmill desks in the office. And in Portland, Ore., city officials are trying to get desk-bound workers up and about. Copyright 2011 National Public Radio.