Breathless with anger.

Losing your temper may make you lose some breathing capacity, according to research published in the journal Health Psychology. Benita Jackson, Ph.D., a psychologist at Smith College, Northampton, Mass., and colleagues analyzed a subset of 629 patients from the Coronary Artery Risk Development in Adults Study cohort to assess any relationship between hostility and decreased lung function. After controlling for confounding factors, such as asthma and smoking, the investigators found that every standard deviation in aggression was associated with a 0.66% decrease in forced expiratory volume in 1 second and a 0.6% reduction in forced vital capacity. "Are you out of breath because you hate me or because you just did your Richard Simmons workout?"