Buy an unhealthy snack and these vending machines take 25 seconds. Healthy fare drops instantly. Research suggests this "time tax" helps us make better choices.
A World Health Organization report recommends fiscal policies, including taxes, that hike the retail price of sugary drinks to fend off obesity and diabetes.
After only a year, Denmark's unpopular tax on saturated fat is to be repealed in January.
The base rate for an acre of farmland is supposed to reach $2,000 by 2015. It was $500 in 2000.
Soda has been targeted by public health advocates as a leading contributor to the obesity epidemic. See the ways the industry is trying to change its image.
According to a CNNMoney, more Americans in the upper tax bracket are eating fast food.