Dr Berkman, a medical student at the University of Medicine and Dentistry of New Jersey, conducted the research while studying for his MA at the John Hopkins Bloomberg School of Public Health.

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S., of the Bloomberg School of Public Health.

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Waite and co-author Mary Elizabeth Hughes, of Johns Hopkins Bloomberg School of Public Health, found that divorced or widowed people have 20 percent more chronic health conditions such as heart disease, diabetes or cancer than married people.

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Plus, research has shown that adolescents commit sex offenses for different reasons than adults, said Elizabeth Letourneau with the Bloomberg School of Public Health's Department of Mental Health, who has written several reports on juvenile sexual offenders.

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