Here, learn more about the benefits of coffee. These factors likely contribute to the perspective that caffeine is a benign substance that everyone can use without suffering any negative consequences.” Moreover, the vast majority of caffeine consumers use the substance regularly without apparent harm. In fact, caffeine is the most commonly used psychoactive substance in the world. He said: “Unlike most other psychoactive substances, caffeine use is socially acceptable, and the drug is widely used. This may be due to widespread consumption.Ĭaffeine crosses the blood-brain barrier to stimulate the CNS.
Meredith, a postdoctoral research fellow at The Johns Hopkins University School of Medicine, told Medical News Today that many people forget that caffeine is a psychoactive substance. Other studies have also suggested that caffeine intake may protect against type 2 diabetes, Parkinson’s disease, cardiovascular disease, and stroke. More recent research in Nature journal found that consuming caffeine may boost long term memory. In 2013, a study published in World Journal of Biological Psychiatry suggested that drinking between 2–4 cups of coffee a day may reduce suicide risk in adults. Some studies have associated caffeine consumption with positive effects on the brain. In the same year, a different review of 40 studies found that drinking 2–4 cups of coffee every day had links to a reduced risk of death from all causes.
As well as its stimulating effects, caffeine may provide several health benefits.Ī 2019 review of existing literature found that consuming a moderate amount of caffeine has a protective effect against liver cancer.
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