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Many people all over the world enjoy an alcoholic drink, such as wine or beer, during dinner. Sometimes people raise a glass of alcohol to celebrate a wedding or a birthday. And having drinks after work with friends and co-workers is called “happy hour.” All these situations are considered “social drinking” because they happen at social events. But when does “social drinking” become problem drinking? According to the World Health Organization alcohol abuse kills 3.3 million people each year. The report also says alcohol use can increase the risk of developing more than 200 diseases, including some cancers. And, it says alcohol abuse can put people at greater risk of infectious diseases. Shekhar Saxena is a WHO official. She says the organization is concerned about drinking among young people under the age of 19. She says it is most concerned about what is called “binge-drinking,” an extended period of heavy drinking. She says research found that 16 percent of drinkers over the age of 15 are binge-drinkers. The WHO report also found that the highest rates of alcohol-linked deaths are in Europe. Finally the report says less alcohol is used in Africa than in Europe. But, it says the health effects are worse in Africa because of a lack of social support systems and health care. The WHO says countries can protect people from alcohol abuse. Possible measures include raising alcohol taxes and the legal drinking age. Controlling the marketing of alcoholic drinks could also reduce abuse problems.