The statement “Nearly 47%
of people who began drinking before age 14 were alcohol dependent at some point
in their lifetime” is true.
Alcohol dependence<span> <span>is a
previous psychiatric diagnosis in which an individual is physically or
psychologically </span>dependent<span> upon
drinking </span>alcohol. In 2013 it was reclassified as alcohol<span> use disorder (</span>alcoholism) along with alcohol<span> abuse
in DSM-5.</span></span>
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The researchers found that the productivity of the more highly illuminated workers increased much more than that of the control group. They also found out that their productivity even improved when the lights were dimmed again. As a result, the researchers<span> concluded that it was not the changes in physical conditions that were affecting the workers' productivity. Rather, it was the fact that someone was actually concerned about their workplace.</span>