Does coffee cause cancer? Unless you can drink three hundred cups of coffee a day!

Coffee and cocoa, tea and called the world's three major beverages, coffee beans in the world each year about 8.4 billion kilograms, coffee beans trading futures are second only to oilCoffee is known as the "black gold industry"The amount of coffee consumption cups in the world can reach 500 billion cups, the current global population is less than 7 billion, that is, the global per capita coffee sales of more than 70 cupscan be said that coffee has entered the ordinary people's homes, and many people do have an addiction to coffeeCoffee is probably the most frequently used and widely used psychoactive substance in the world in the field of psycho-professional seisA common sense that the public knows is that coffee contains caffeine, it can be addictive,the great French writer Balzac is the death of chronic coffee poisoning, he is known to drink 50 cups of coffee a day, coffee became the inspiration for his creation, but also became his inspirationAccording to statistics, Balzac drank more than 50,000 cups of coffee in his lifetime"color: #E53333," and the fact that coffee has developed its own coffee culture in every country, but the controversy over coffee never stops at the moment it enters popular lifeOne of the most controversial is whether coffee causes cancerScientific studies tell you that coffee doesn't cause cancer unless you can drink three hundred cups of coffee a dayWhat are the ingredients ofcoffee?coffee is a beverage made from roasted coffee beans, whose main ingredients include alkaloid compounds (e.gcaffeine, cocoa base), polyphenolic compounds (e.gchlorogenic acid, quinine acid, etc.), fatty substances (coffee alcohol, coffee bean alcohol, etc.), in addition to proteins and vitaminsThe main source of coffee aroma is coffee alcohol, a volatile fat, which emits about forty aromatic substances caffeine, which is the main ingredient, is a jaundice alkaloid compound This is actually a central nerve stimulant, can temporarily drive away the drowsiness, uplifting people's spirit Caffeine is clinically used to treat neurasthenia and coma resuscitation coffee causes cancer? 2018 a message in the circle of friends crazy, later proved to be false news, the main content of the news is that Starbucks coffee contains carcinogens, friends of the circle crazy, but also attracted a number of scientists and scientific institutions to dispel rumors about this in fact, the news was met with a los Angeles court ruling that Starbucks and several other coffee companies must put cancer warning labels on coffee sold in California because Starbucks coffee contains acrylamide In fact, this substance is a by-product of the merade reaction in food, and food containing acrylamide is often found around us, such as chips, bread and biscuits Chinese habitually cooked food, which often results in the content of such ingredients it is understood that acrylamide is indeed listed as a 2A probable carcinogen in the IARC (International Agency for Research on Cancer) list of carcinogens The meaning of class 2A carcinogens is that there is a clear carcinogenic effect in animal experiments, the results of population studies are not conclusive, but have potential risks Level 1 carcinogenist is really harmful to human body , according to an article in the journal Food and Chemical Toxicology, people are at risk of developing cancer when they consume 2.6 to 16 micrograms of acrylamide per kilogram of body weight per day Based on this calculation, a person weighing 55 kg has a daily acrylamation tolerance of 143 micrograms A cup of 160 ml of coffee, the average acrylamide content of 0.45 micrograms, drink at least 318 cups a day to may be a cancer risk as early as 1991, the International Cancer Research Center once rated coffee as a Class 2B carcinogen (may cause cancer) In 2016, the World Health Organization reassessed that there was no definitive evidence of a link between bladder cancer and coffee So for now, the World Health Organization has moved coffee to category 3 carcinogens, which is no carcinogenic risk to humans coffee coffee has many benefits, with studies showing some association with premature death, the incidence of type 2 diabetes and even a decrease in the incidence of certain cancers The active ingredient present in coffee can relieve oxidative stress in the body, which is the imbalance between free radicals and antioxidants coffee in daily life has many benefits, such as detox, drink ingested coffee, can quickly change the alcohol of acetaldehyde oxidation, decomposition into water and carbon dioxide and excreted out of the body; in addition to these effects, drinking coffee can also help beauty, weight loss and even help improve mood how much coffee should i drink every day? in China, the rise of coffee in recent decades Since the 1990s, when foreign coffee brands pioneered Chinese coffee culture, coffee has really gradually entered the daily life of Chinese Starbucks opened its first store in Chinese mainland in 1999 and now has more than 3,600 stores in China And last year's red-hot takeaway coffee, a year in Chinese mainland opened more than 2,000 stores China's coffee industry seems to be on track according to the survey agency, the average number of coffee cups consumed in the Chinese in 2017 was 4.5 cups per year, well below Japan's 188 cups/year and the United States' 269 cups/year; currently Chinese drink more than five cups of coffee per person per year, while the north-west area does not drink more than 20 cups According to a study by Dr Erikka Loftfield of the National Institutes of Cancer Epidemiology and Genetic Metabolic Epidemiology, a team of people who drank 6-7 cups of coffee a day had the lowest risk of death and a relatively low risk of developing certain chronic diseases drink 6-7 cups a day may not be many people, so coffee is good, chemo cup, drink two to three cups a day can, in line with the caffeine intake standards Once the coffee is drunk, not only affects sleep, but also is addictive, and some coffee lovers experience headaches, irritability, muscle tightness and nervousness as long as they don't drink coffee Source: 1, Baidu Encyclopedia 2, Health Student Source: Chi Mengwei