10 Nov 2009
Female teenagers who become obese may double their risk of developing multiple sclerosis (MS) compared to girls and young women who are slimmer.
This is according to researchers at Harvard School of Public Health, US, who discovered that women aged 18 with a body mass index (BMI) of 30 or larger were twice as likely to develop MS than women with a BMI of between 25 and 29.9.
It was also confirmed that this risk was "somewhat increased" if women are just overweight and not obese.
Study author Kassandra Munger said that weight during adolescence is "critical" in determining MS risk.
"Teaching and practicing obesity prevention from the start, but especially during teenage years, may be an important step in reducing the risk of MS later in life for women," she explained.
The research involved looking at more than 238,000 women, all of whom are now aged between 25 and 55.
Scotland has an unusually high prevalence of MS patients, with approximately 10,500 people affected by the neurological condition.
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