Studies on Shift Workers
Shift Workers, risk of MS
Shift workers at a young age is linked to an increased risk of multiple sclerosis, suggests a new study from the Karolinska Institutet in Sweden. Researchers analyzed data from two previous studies and found that people younger than 20 who had worked shifts between 9pm and 7am for at least three years had a twofold increased risk of MS, compared with those who never worked such shifts.
The study, published in Annals of Neurology concluded that the increased risk of developing the central nervous system disease stems from off-shifts disrupting the younger workers’ circadian rhythms and sleep patterns.
Shift Workers , risk of heart disease
Female shift workers may be at a greater risk for heart disease, find research from Queen’s University in Kingston, Ontario. Researchers examined 227 female hospital workers ages 22 to 9=66 for metabolic syndrome, which is a combination of factors- including abdominal obesity and high blood pressuer- that increase the risk of heart disease.
Researchers found a connection between age, length if employment and risk. Almost 75% of women working shifts for more than 15 years had metabolic syndrome, compared with 8% of women with less than six years of shift work. The condition may be linked to the disruption of biological rhythms and rest patterns associated with shift work, researchers suggested.
Info from: The Institute of Work Comp Professionals December 2011 newsletter
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