While binge-drinking rates have fallen among boys over the past 10 years, "binge-drinking rates among girls really haven't changed much over a 15-plus-year period, " said Dr. Robert Brewer, of the alcohol program division of the CDC's national Center for Chronic Disease Prevention and Health Promotion.

CNN: CDC: 1 in 5 high school girls binge drink

Chen Guihua, a peasant, and her parents-in-law, both in their 60s, walk more than 5 and a half miles most days--over two mountain ridges--for two buckets of drinking water.

FORBES: Magazine Article

And it does what it says on the tin: so far, the billboard has produced over 9, 000 litres of drinking water - 96 litres a day.

BBC: Advert turns air into drinking water

In addition, stress can lead to over-indulgence in unhealthy habits, such as overeating, smoking and drinking, the health effects of which are well-documented.

BBC: Stress: The effects

Around 40% of college students engage in binge drinking frequently enough that they might qualify for the diagnosis -- but only 5% of graduates over 26 are current alcoholics.

CNN: STORY HIGHLIGHTS