Brightsurf Science News & Current Events

January 13, 2001
Individualized timing key to success of light therapy for winter depression
Synchronizing light therapy with a person's biological clock doubles its effectiveness as a treatment for winter depression, Columbia University researchers have demonstrated.

Exposure to environmental tobacco smoke associated with respiratory problems for children
Environmental tobacco smoke exposure is associated with negative effects on the respiratory health of children of all ages, according to an article in the January issue of the Archives of Pediatrics & Adolescent Medicine, a member of the JAMA family of journals.

Questionnaire at doctor's office helps identify at-risk adolescent smokers for cessation counseling
A short, confidential questionnaire provides pediatricians with the ability to detect adolescent experimental smoking before the patient develops nicotine addiction, according to an article in the January issue of the Archives of Pediatrics & Adolescent Medicine, a member of the JAMA family of journals.

Duke study: High mutation rates in cancer cells can be caused by non-DNA-damaging stressed
Duke University Medical Center researchers report for the first time that long-term genetic instability in cancer cells can be induced both by stresses that break DNA and those thought not to damage genetic material.
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