The efficacy and function of black coffee, and black coffee has many benefits, how much black coffee is appropriate to drink every day

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Black coffee has many benefits.

Coffee has become a very common drink in Taiwan, and a cup of fresh coffee every morning is refreshing and indispensable to office workers. In addition, drinking coffee also improves the quality of social leisure. Moderate and regular intake of black coffee is actually helpful to health, and it can even further promote fitness and maintain a good figure.

Strengthen physical performance and help fitness

Caffeine in coffee increases the amount of adrenaline in the blood. Epinephrine is a hormone secreted when avoiding fear or danger, which can enhance cardiopulmonary function, increase concentration, stimulate nervous system conduction, enhance muscle strength and muscle endurance, and reduce muscle soreness. A 2005 study in the Nordic Journal of Sports Medicine found that drinking a cup of fresh coffee an hour before exercise can improve physical performance by 11-12%.

Help you lose weight and maintain your figure

Coffee is rich in magnesium and potassium, which can help the body's insulin action and increase blood sugar levels. With high blood sugar levels, the brain will not feel hungry, which in turn suppresses appetite. And a cup of 100 grams of black coffee has only 2.5 calories, which will not increase the burden on the body at all.

In addition, coffee can also help the body increase metabolic rate, burn fat, diuresis to edema. Drink a cup of black coffee half an hour to an hour after lunch, which helps digestion and fat decomposition.

Some people may find a slight increase in blood pressure at the beginning of drinking coffee, but usually after regular intake, the blood pressure not only does not increase, but also protects blood vessels and prevents stroke.

Prevention of cardiovascular disease

Some people who drink coffee at first may find a slight increase in blood pressure, but usually after regular intake, blood pressure not only does not increase, but also protects blood vessels and prevents stroke. People who drink 1-2 cups of black coffee a day are not only 38% less likely to die from cardiovascular disease, but also 20% less likely to die of moderate wind, according to a Japanese study published in 2012.

Prevent old age, fight cancer, reduce death

Coffee is rich in antioxidants, which can resist free radicals, protect the body, and prevent cancer. Coffee has been shown to reduce the risk of prostate, skin and endometrial cancer, and a 2006 study in the American Medical Journal found that 1-3 cups of coffee a day can reduce the risk of liver cancer by 40%.

In addition, the 2012 New England Journal of Medicine surveyed 400000 subjects and found that drinking one cup of coffee a day reduced mortality by 6 per cent and 2-3 cups by 10 per cent.

Stimulate the nervous system to prevent brain degeneration

As mentioned earlier, caffeine increases adrenaline production, stimulates nerve conduction and activates the brain. A 2010 US study found that drinking 3-5 cups of coffee a day can reduce the risk of developing Alzheimer's disease by 65%.

Coffee also increases the secretion of dopamine when it stimulates the central nervous system, and the cells that produce dopamine are the source of Parkinson's disease. A study in the 2002 Annals of Neuromedicine also found that regular coffee intake can reduce the risk of Parkinson's disease by 25%.

Black coffee can brighten the mood and reduce depression.

Brighten the mood and reduce depression

Coffee stimulates the central nervous system to produce nerve conductors such as dopamine, serotonin and norepinephrine, which can increase positive emotional responses, avoid depression and reduce suicide rates. A 2011 study aimed at American women confirmed this argument.

There has always been a debate between the pros and cons about coffee. However, it is certain that at appropriate concentrations, caffeine, vitamin B2, B5, manganese, potassium and magnesium in black coffee are all beneficial substances. Unless you have symptoms of high cholesterol and caffeine sensitivity, as long as you eat a moderate amount of caffeine (the amount of caffeine recommended by the Ministry of Health and Welfare does not exceed 300mg), it is beneficial and harmless. Finally, remind you to pay attention to the amount of caffeine you consume every day in order to drink healthily.

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