Los Angeles, June 14
Teenage girls who regularly binge drink may fail to reach their peak bone mass, according to a study.
Published in the Journal of Studies on Alcohol and Drugs, the study of 87 college women found that those who regularly binge drank in high school had lower bone mass in the spine.
The findings suggest that poorer bone health can be added to the list of binge drinking risks for young women, said Joseph LaBrie, a professor at Loyola Marymount University in the US.
There are well-known short-term risks such as alcohol poisoning, car accidents, poor academic performance and sexual assault, LaBrie said.
"This study identifies a potential lifetime consequence of binge drinking in young women," he said.
The findings are based on female college students aged 18 to 20 - a time when bone mass should still be accruing. Women generally reach their peak bone density at the spine between the ages of 20 and 25, LaBrie said.
The study participants answered questionnaires about certain lifestyle factors and underwent measurements of their bone density in the lumbar spine.
When it came to alcohol, the women were asked to think back to high school and report how often they had binged - having four or more drinks within two hours.
The team found that women who had binged frequently since high school had lower bone mass than their peers.
"Frequent" meant they had binged at least 115 times - or nearly twice a month, on average.
The findings expand previous research linking heavy drinking to lower bone mass and higher fracture risk in older adults, suggesting that later in life bone issues may be linked to drinking early in life.
Previous animal research has suggested that alcohol hinders healthy development of young bones.
LaBrie noted that anything that keeps a young woman from reaching her peak bone mass will probably raise her odds of developing osteoporosis years down the road.
For now, the findings offer girls and young women one more reason to avoid binge drinking and offers parents further support for seeking to delay onset of children's drinking.
"When we consider bone health, we always talk about things like exercise, calcium and vitamin D, and not smoking. We may also need to talk about avoiding binge drinking," LaBrie said. PTI
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