THURSDAY, April 16, 2015 (HealthDay News) -- Combat experience is one of the factors that increases the risk that U.S. soldiers will start smoking, a new study suggests.
Researchers analyzed data from a long-term study to assess the long-term health effects of service in the U.S. military. The study began in 2001 and will continue until 2022. The researchers collect survey data every three years.
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