Is the best time for coffee in the morning or in the afternoon?

According to relevant information, healthy people drinking a cup of instant coffee (about 2-3 teaspoons) will cause tachycardia. Drinking at night can lead to insomnia. For people suffering from some kind of cardiovascular disease, there will also be a high blood pressure phenomenon. Drinking coffee for people with gastric and duodenal ulcers will increase gastric acid and stimulate gastric mucosa and ulcer surface, which is disadvantageous to wound healing. So, when is the best time to drink coffee?

According to foreign materials, the best time to drink coffee is: 4: 00 p.m. in summer and autumn and 3: 5 p.m. in winter and spring. Because this is the time when the human body feels most tired, drinking a cup of coffee at this time can not only increase nutrition, but also exhilarate the spirit and benefit the work. Coffee and Cancer French researchers have found that coffee drinkers can significantly increase the incidence of pancreatic cancer. According to their survey, people who drank up to 60,000 cups of coffee were twice as likely to develop pancreatic tumors as those who did not drink coffee.

Greek cancer researchers found in 1981 that women who drank coffee were twice as likely to have ovarian cancer as women who did not drink coffee. Drinking coffee can also cause breast cysts in women. Although breast cysts are different from cancer, they may also turn into cancer. It is reported that women with cysts are four times more likely to develop breast cancer than normal women. Coffee and premenstrual syndrome refers to a series of abnormal symptoms of women before menstruation, such as emotional instability, mental tension, irritability, anxiety, lack of concentration, insomnia, headache, breast pain and so on. According to a recent report in the American Journal of Public Health, women who drink caffeinated drinks are prone to premenstrual syndrome.

Therefore, for women with premenstrual syndrome or women who have the habit of drinking caffeine, it is best not to drink caffeinated drinks such as coffee and tea, let alone strong coffee and strong tea. Coffee and coronary heart disease, doctors from the Johns Hopkins Institute of Medicine and other units have conducted a study on 1130 male medical students to see if coffee consumption is related to the occurrence of coronary heart disease. After 19 to 35 years of follow-up, it was found that people who drank five or more cups of coffee a day had a 2.8 times higher relative risk of coronary heart disease than those who did not drink coffee. If other factors that may affect the occurrence of coronary heart disease (such as age, smoking, high blood pressure, serum cholesterol concentration, etc.)

Excluding it, the relative risk is as high as 2.49 times. According to this, experts believe that coffee consumption is related to the occurrence of coronary heart disease, and people who drink more coffee (5 or more cups a day) have an increased risk of coronary heart disease, which is 2 to 3 times higher than those who do not drink coffee.