Regular coffee consumption reduces risk of bowel cancer

The benefits of caffeinated drinks

1. What is caffeine?

Caffeine is a xanthine alkaloid, a central nervous system stimulant that temporarily repels drowsiness and restores energy. Caffeinated coffee, tea, soft drinks and energy drinks sell very well, so caffeine is also the most commonly used psychotropic drug in the world.

2. What drinks usually contain caffeine?

The main sources are coffee beans, sweet and bitter chocolate, cream chocolate, cocoa, fresh brewed coffee, decaffeinated coffee, instant coffee, Italian coffee, black tea, oolong tea, green tea, white tea, caffeinated tea, Red Bull beverage, Coke and so on.

3. Beneficial effects of caffeine:

Refreshing and refreshing: it can stimulate the central nervous system of the brain, prolong the awake time of the brain, make the mind clear, sharp, and focused, which can improve the efficiency of work and study.

Anti-melancholy: a small amount of caffeine can cheer people up, feel happy, and relieve depression.

Weight control: caffeine can increase the rate at which the body consumes calories. A study found that 100mg caffeine (about 1 cup of coffee) can accelerate fat decomposition, increase the body's metabolic rate by 3% to 4%, increase heat consumption and drink in moderation. Weight loss.

Promote digestion: caffeine stimulates the sympathetic nerve and increases gastric juice secretion. If you drink it in the right amount after a meal, it will help digestion.

Diuresis: coffee has a diuretic effect, which can increase the amount of urination, thus increasing the number of times to go to the toilet.

Improve constipation: coffee can stimulate gastrointestinal hormones or peristaltic hormones, produce laxative effect, can be used as a rapid laxative.

Reduce the risk of colorectal or rectal cancer: coffee contains natural antioxidants.

Pain relief: when caffeine is used as a drug, it can enhance the effect of some painkillers.

Enhance physical agility: caffeine also helps to lower the exercise threshold during exercise, increase body agility, and enable athletes to create better results.

Reduce the risk of gallstones: a new study from the Harvard School of Public Health found that people who drank 2-3 cups of coffee a day were on average 40% less likely to get gallstones than those who never drank them. In addition, the tannic acid contained in coffee has the function of astringency, hemostasis and odor prevention.

4. Harmful effects of large amounts of caffeine:

Too much caffeine can lead to caffeine poisoning. The symptoms are irritability, nervousness, irritation, insomnia, blushing, polyuria and gastrointestinal discomfort. Some people have these symptoms when they take less than 250 milligrams a day. More than 1 gram a day can lead to spasms, sudden changes in thought and language, unstable heartbeat, tachycardia and psychomotor agitation. The symptoms of caffeine poisoning are somewhat similar to panic attacks and generalized anxiety disorders. 192 milligrams per kilogram of body weight, or for the average adult, 72 cups of coffee can kill half of people. There is no clear evidence that caffeine is associated with bone loss and osteoporosis. A study related to cola but excluding other carbonated drinks found that caffeine was not the cause of bone loss, but that the amount of phosphoric acid was directly related to osteoporosis in older women.

5. Here are some suggestions on caffeine-rich coffee:

(1) drink less than five cups of coffee (about 150CC per cup) a day, otherwise it is easy to become addicted.

(2) after drinking coffee, do not smoke immediately, otherwise it is easy to cause harm to the heart.

(3) it is not suitable to drink coffee after drinking, otherwise it will stimulate blood vessel dilatation, accelerate blood circulation and increase cardiovascular burden.

(4) caffeine will also be absorbed through the placenta and enter the fetus, endangering the brain and heart of the fetus, so pregnant women should quit.

(5) caffeine will also be absorbed by babies with breast milk, so women during lactation should quit it.

(6) drinking coffee in the morning does help to clear your head and refresh yourself, but you must eat breakfast before drinking it, otherwise it is easy to hurt your intestines and stomach.