![]() ![]() ![]() One benefit of coffee is the improvement of mood and stimulation of brain function. ![]() There are many benefits to drinking coffee. Are there any benefits of drinking coffee? Children should only consume 45-100 mg of caffeine. Pregnant women should consume less than 200mg, which is why decaffeinated coffee is recommended as it has less caffeine. However, it is recommended that daily caffeine intake should be around 400 mg per day, which equates to 3-4 cups of coffee. There is no international standard for caffeine consumption as every country has different caffeine consumption. There is around 140 mg of caffeine in one mug of filtered coffee, meaning your caffeine intake can quickly creep up. It will increase diastolic and systolic blood pressure by 4-13mmHg 60 minutes after intake and will persist for 180 minutes on average. Effect of Caffeine on Blood PressureĬonsuming around 80-250mg of caffeine daily can acutely raise blood pressure. For individuals over 80 years old, high blood pressure is 150/90 mmHg. High blood pressure would be a reading of 140/90 mmHg. Blood pressure is measured using a millimetre of mercury (mmHg).Īn ideal blood pressure reading would be 120/80 mmHg. Diastolic pressure (lower number) is the resistance to the blood flow in the blood vessels. Systolic pressure (higher number) is the force at which your heart pumps blood around the body. Blood pressure was recorded using two numbers made up of systolic pressure and diastolic pressure. To measure blood pressure, a healthcare professional will use a blood pressure cuff around your arm that will gradually tighten. She added: "There are hundreds of studies which do not show increased health risks associated with drinking caffeinated, and particularly decaffeinated, coffee.Blood pressure is the force of blood pushing against the walls of the arteries as the heart pumps blood around the body. The UK's Food Standards Agency advises pregnant women to drink no more than 300mg of caffeine a day, equivalent to three cups of coffee or eight cups of cola.Ĭlaire Friars, a midwife with Tommy's, which funds research into miscarriage and stillbirth, said: "The results seem to show an increased risk of foetal death from increased coffee consumption in pregnancy, so pregnant women may want to review the amount of coffee they drink whilst pregnant."Ī spokeswoman for the British Coffee Association said both studies showed moderate coffee drinking was "perfectly safe". The research comes to the same conclusion as an earlier smaller study by the same team. They also suggest that, as high tea and cola consumption was not linked to an increased risk of miscarriage or stillbirth, it could be chemicals in coffee - rather than caffeine. However, the researchers say they took this information into account when collating their results. These women were more likely to smoke and drink higher levels of alcohol - both factors which are suspected to increase miscarriage risk. Sixty-seven, out of a total of 1,102 foetal deaths, were seen in this group. Just over 3% of women (3,018) drank eight or more cups of coffee a day. The second study, from a team at Aarhus University in Denmark monitored over 88,000 pregnant women between March 1996 to November 2002.Īll women were interviewed about potential risk factors which could affect their pregnancy, and coffee consumption. Therefore, it is not relevant for those who enjoy a coffee once or twice a day. "Additionally, it examined the effects of drinking three to six cups of black decaffeinated and caffeinated coffee daily. Judy O'Sullivan, of the British Heart Foundation said: "As the study was quite small and short-term it is too soon to draw any firm conclusions about the use of coffee to reduce risk of heart disease. The research was presented to a meeting of the American Heart Association.ĭr Robert Superko of the Fuqua Heart Centre in Atlanta, Georgia, who led the research, said: "Contrary to what people have thought for many years, I believe it's not caffeinated but decaffeinated coffee that might promote heart disease risk factors."īut he added: "If you only drink one cup each day, the results of our study probably have little relevance because at that level your daily coffee dose is relatively low." In addition, a protein linked to bad cholesterol (apolipoprotein B),went up 8% in the decaffeinated group but did not significantly change in the other two groups. Having a high level of LDL cholesterol is one of the risk factors for metabolic syndrome, which can lead on to heart disease and diabetes. Judy O'Sullivan, of the British Heart FoundationĪt the end of the study, the group drinking decaffeinated coffee had experienced an 18% rise in their fatty acids in the blood, which can drive the production of bad 'LDL' cholesterol.įatty acids did not change in the other groups. ![]()
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