求翻译：十二、中国人往往餐后饮一杯热茶，而美国人餐后却爱饮咖啡。茶能降低胆固醇，而咖啡却会提高血脂且刺激心脏。有营养学家指出餐后半小时左右饮用热茶将更能发挥其降低胆固醇和助消化的作用。十三、美国人已意识到被称为“红肉”的牛肉、马肉和羊肉等是导致结肠癌和前列腺癌的病因之一，亦意识到红肉的脂肪也是前列腺癌及心脏病的致病因素之一，注意到一周吃一次红肉。中国的不少报刊也多次报道过红肉的问题，但目前中国人却未能引起到足够的重视。是什么意思？

XII Chinese people tend to drink a cup of hot tea after dinner, while the Americans, but love to drink coffee after dinner. Tea can lower cholesterol, and coffee, but it will improve the blood and stimulate the heart. Nutritionists point out that there are about half an hour after dinner drink hot t

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12, the Chinese people tend to drink a cup of hot tea after a meal, and Americans love drinking coffee after a meal. Tea can lower cholesterol, but coffee will improve blood lipids and stimulate the heart. Nutritionists have pointed out that about half an hour after a meal to drink hot tea will bett