(In contrast to) heavy drinking, light to moderate drinking -- up to 299 grams of alcohol per week -- was associated with reduced risks of stroke and heart disease, and the effect was more (pronounced) in men with high levels of social support, "probably due to (avoidance) of unhealthy behaviors and enhancement of (stress buffering)," Iso surmised. Compared with light to moderate drinkers with high social support, those with low social support had unhealthier lifestyle behaviors; they were more apt to be (sedentary) and had fewer opportunities for medical checkups. They were also more likely to have high stress levels, no job, and no (spouse). The researchers (speculate) that low levels of social support may cause mental stress, which is hard on the heart. Mental stress (activates) components of the body's (neuro-endocrine system), "which lead to an increased risk of cardiovascular disease," Iso explained.

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