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Experts are studying the effects of coffee consumption
There have been contradictory statements about coffee consumption in the past. Researchers have now found that consuming up to four cups of coffee a day is not harmful to human health.
When reviewing more than 740 studies, scientists from the International Life Sciences Institute (ILSI) found that people can drink four cups of coffee a day without fear of adverse health effects. The doctors published the results of their study in the journal "Food and Chemical Toxicology".
What is the maximum amount of coffee we should consume per day?
In their investigation, the experts found that the daily consumption of 400 milligrams of caffeine (the equivalent of four cups of coffee) is not harmful. This amount has long been considered the recommended upper limit for adult consumption. As long as this amount is not regularly injured, there is no need to worry about consumption, the doctors say. It also became clear that pregnant women should consume a maximum of 300 milligrams a day (the amount corresponds to three cups of coffee).
Negative effects of caffeine
Caffeine is able to reduce inflammation and increase brain functions. On the other hand, caffeine is also linked to heart disease and dementia. Coffee is the most widely available and widely used psychoactive substance around the world, the authors explain. Caffeine is also known to cause fear or make anxiety worse.
What is affected by caffeine?
To determine the exact health effects of coffee consumption, the experts reviewed various studies that were published between 2001 and 2015. They found five effects of caffeine on health. Caffeine affects acute toxicity, bones, heart, brain and reproduction.
Future research will build on the results
The results of the study could provide valuable information to support the development and implementation of future research on the safety of caffeine, say authors. The full transparency with which the data was shared will hopefully encourage other researchers to build on this work.
European Food Safety Agency warns of too much caffeine
In the EU there are guidelines on the consumption of caffeine from 2015. These advise a daily limit of 400 milligrams. The European Food Safety Agency warned those who cross these borders that health problems could result. An excessive intake of caffeine during pregnancy can also lead to babies being underweight at birth. Too much coffee can also cause miscarriage and there is a possible connection with birth defects, the scientists explain.
What other drinks and foods are high in caffeine?
Of course, coffee is not the only drink or food that contains caffeine. For example, the average cup of tea contains about 50 milligrams of caffeine. A can of Red Bull energy drink even contains 80 milligrams per can. A bar of dark chocolate contains up to 50 milligrams of caffeine and even milk chocolate can contain up to 25 milligrams of caffeine, the researchers report. Cola is often perceived as a drink with a very high caffeine content and it only contains 30 milligrams per can, the authors continued. (as)