ANOTHER REASON TO CHOOSE A MATE WISELY
By Nicholas Bakalar
Happily married people tend to have lower blood pressure than their single peers, but being single may be healthier than being unhappily married, a new study suggests. The study, published on March 20 in The Annals of Behavioral Medicine, sampled 303 generally healthy men and women, 204 married and 99 single. Each responded to questions about marital quality, social support and mental health. Scales were used to rate stress and life satisfaction.
Then each subject wore a portable blood pressure monitor for 24 hours while performing their normal activities. The groups had little difference in waking blood pressure, but married people had significantly larger dips in blood pressure during sleep. (...)
(http://query.nytimes.com/gst/fullpage. April 1, 2008. Adaptado.)
No trecho do segundo parágrafo — The groups had little difference in waking blood pressure, but married people had significantly larger dips in blood pressure during sleep. —, a palavra groups refere-se a
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