Atrial fibrillation was more likely to develop in diabetics than in nondiabetics in a new observational study, and the link was particularly strong in women. Heartwire
The cholinesterase inhibitor donepezil, used to treat cognitive symptoms in patients with Alzheimer disease (AD), also reduces the manifestations of obstructive sleep apnea common in AD, according to a trial conducted in Brazil. Reuters Health Information
Injections of platelet-rich plasma, an up-and-coming treatment for chronic Achilles tendon disorder, or tendinopathy, does not appear to reduce pain or increase activity more than placebo. Medscape Medical News
A survey of Oregon middle-school students provides disturbing findings on awareness and participation in the "choking game." Morbidity & Mortality Weekly Report
Use of a high-dose nicotine patch may lessen deficits of short-term memory and attention in this population, a new study suggests. Medscape Medical News
