Too much coffee can make you forgetful. If the number of cups reaches six, the caffeine high could give your health a big low. Dementia is just one of the risk factors of too much coffee, according to a study conducted by University of South Australia’s Centre for Precision Health. A reduced brain volume or a stroke is the other threat. “It was found that coffee decreases overall blood flow inside the brain, especially in the area of memory circuits. It can cause neurodegeneration. In the long term, excessive intake of coffee can lead to impaired functioning of these memory circuits. Cognition will suffer as well, harming overall body function,” says Dr Rajeev Ranjan, neurologist at Sir Ganga Ram Hospital, Delhi.
Too much coffee (caffeine) aggravates headaches, gait problems and visual processing. Caffeine makes the blood vessels narrower and constricts blood flow that raises blood pressure. “The ones carrying blood to the brain can narrow as much as 27 percent,” says Ranjan. This will slow down our ability to think and perform mental tasks. Needless to say, when the blood vessels get used to this pattern of narrowing, it gets difficult to break bad coffee drinking habits.
“The molecular structure of caffeine is similar to that of adenosine. Caffeine blocks the adenosine (natural inhibitor in our body) receptors and inhibits its effects. It causes drowsiness by slowing down nerve cell activity. Coffee can affect the function of nerve cells, which might become the reason...
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