Less depression from coffee

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Coffee drinkers were less susceptible to depression in a long-term study

Coffee beans have long been attributed with numerous health benefits. Coffee invigorates the senses, is stimulating and should also protect against cardiovascular diseases. Scientists at Harvard Medical School have used data to determine that coffee apparently reduces the occurrence of the mental illness depression. However, the exact circumstances are still unclear.

Coffee can apparently protect against depression. Women in particular should benefit from this context, as a science study by the medical school in Havard found. During a study, the researchers evaluated the data from a total of 50,000 women from the United States. The women examined were on average 63 years old. The study has been accompanying women for exactly 10 years since the beginning in 1996. During the study period, the test subjects filled out several questionnaires at different intervals. In it, women were asked about daily coffee consumption and depressive moods, for example. At the start of the study, none of the participants suffered from mental illnesses. For differentiation, participating women were classified as depressed, who were diagnosed by a psychiatrist or doctor and given drugs such as antidepressants.

Long-term study with 50,000 American women During the study period, exactly 2607 women contracted depression. The research team found it striking that there were hardly any coffee drinkers among the patients. On the other hand, women who drank up to four cups of coffee a day reduced their risk of developing the disease by around 20 percent. However, those who drank regular decaffeinated coffee showed no reduction in risk of manifested depression. According to the researchers, the caffeine contained in coffee plays a decisive role as an active ingredient. After all, coffee is known to make you feel good and stimulate activity. The active substance probably intervenes directly in the organism by blocking adenosine receptors. This blockage has an effect similar to the increase in dopamine production. Dopamine produces an increased drive, provides a higher ability to pay attention and stimulates joy and arousal.

Connections still unexplored The scientists are still cautious with this statement whether there is an actual context. After all, the complex physiognomic relationships have not been thoroughly researched. It could therefore also be due to the fact that people with a depressed mood drink less or no coffee or resort to coffee without a headache. Depression typically expresses with stroke disorders and anxiety. Caffeine is known to increase anxiety and difficulty falling asleep. Further studies would have to follow here to ensure the observations. As long as there is no reliable knowledge available, the research team does not want the results of the meta-analysis to be understood as an invitation to take a pot of coffee in depressive episodes. If you suspect depression, qualified therapists and doctors are still the first choice.

There is hardly any other natural food that has inspired science as much as coffee. According to the Federal Association of Coffee Manufacturers, Germans drink an average of around 150 liters of coffee every year. Several research projects had found different positive effects on the human organism. Coffee is said to lower the risk of prostate cancer in men, protect it from strokes and protect the heart from serious cardiovascular diseases such as heart attacks. The belief that coffee consumption causes cardiac arrhythmias such as “heart stumbling” still persists. This assumption has already been refuted in a study. The fact is that the positive properties of coffee tend to outweigh. Anyone who drinks one, two or three cups a day and is also in good general health cannot go wrong. However, excessive consumption can also have undesirable consequences such as tachycardia (rapid heartbeat). Therefore, consumption should always be moderate. (sb)

Read on:
Coffee protects against prostate cancer
Coffee lowers the risk of stroke
Study: coffee and tea are good for the heart
Coffee Day: The healthy drink
Coffee does not cause cardiac arrhythmias

Image: Romeo Sestito / pixelio.de

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Video: How does caffeine affect depression?


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