Impatience and hostility--two hallmarks of the "type A" behavior pattern--increase young adults long-term risk of developing high blood pressure, according to a study funded by the National Heart, Lung, and Blood Institute (NHLBI), part of the National Institutes of Health. Further, the more intense the behaviors, the greater the risk.
However, other psychological and social factors, such as competitiveness, depression, and anxiety, did not increase hypertension risk. The research appears in the October 22/29, 2003, issue of The Journal of the American Medical Association. It was conducted by scientists at the Northwestern University Feinberg School of Medicine in Chicago, the University of Pittsburgh in PA, the University of Alabama at Birmingham, and the Birmingham Veterans Affairs Medical Center.
The research is the first prospective study to examine as a group the effects of key type A behaviors, depression, and anxiety on the long-term risk for high blood pressure. Earlier studies had mostly looked at individual psychological and social behaviors, and found conflicting results.
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Scientists at Tokyo Institute of Technology (Tokyo Tech) and Tohoku University have developed high-quality GFO epitaxial films and systematically investigated their ferroelectric and ferromagnetic properties. They also demonstrated the room-temperature magnetocapacitance effects of these GFO thin films.
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