Old people might as well drink coffee more often.

Drinking coffee drinks on a daily basis can significantly prevent heart disease in older people with normal blood pressure, according to a large American health and nutrition study. The researchers believe that drinking coffee drinks can increase blood pressure "healthily" and counteract the frequent drop in postprandial blood pressure in the elderly.

In the study of 6594 adults, 426 adults died of heart disease during the nine years of follow-up. The researchers found that people aged 65 and older who drank more coffee drinks had a significantly lower death rate from heart disease. The effect of coffee drinks showed a dose-response pattern-the higher the level of coffee, the lower the risk of heart disease, and vice versa. People who drank four or more servings of coffee drinks had a 53% lower risk of death from heart disease than those who drank half a cup of coffee drinks. Subjects who consumed two to four servings of coffee drinks daily had a 32% lower risk of death from heart disease than those who drank half a cup of coffee drinks a day. The researchers believe that coffee, like instant coffee, contains a lot of caffeine in each coffee drink, which can enhance the cardioprotective effect of coffee drinks. However, for people with severe hypertension or people under the age of 65, the cardioprotective effect of daily drinking coffee beverage is not obvious.

Dr. JamesA.Greenberg and his colleagues, lead researcher of the study at the Brooklyn School of the City University of New York, believe that many studies on caffeine and heart disease have reached conflicting conclusions. "the conflicting conclusions may be attributed to differences between the non-elderly and the elderly," they said, noting that a study found that drinking coffee drinks increased the risk of heart disease in young subjects, while the risk gradually decreased with age.

As mentioned above, caffeine can reduce heart disease mortality in older people by preventing a drop in postprandial blood pressure. The decrease of postprandial blood pressure became more and more significant with age. Coffee drinking is popular, and heart disease is the leading cause of death in the elderly, so if this view is confirmed, this study will have broad implications.

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