A man smoking in China, the country with the largest number of smokers in the world.

Credit:

Sean Gallagher

People around the world are living longer than they did a few decades ago, but they aren't necessarily healthier. Tobacco- and alcohol-related problems are on the rise, as are diabetes, obesity and depression. That is the conclusion of a global health study being published in the journal The Lancet. Anchor Marco Werman talks to Alan Lopez, one of the lead authors, to get more details.

  • Smoking in rural China. (Photo: Sean Gallagher)

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