16 Health Risks of Consuming Too Much Caffeine

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Heart Palpitations

Your central nervous system is heavily affective by the properties of caffeine. In addition to your heart rate increasing, you’re likely to experience flutters or palpitations which can cause you to feel anxious or unsteady.

Diuresis

Caffeine increases your need to urinate drastically, dye to the increase in blood flow through the kidneys. Your body’s blood vessels are dilated, causing the kidneys to produce more waste. If you find yourself needing to use the bathroom more than usual, caffeine could very possibly be the culprit.

Laxative Effects

Similarly, caffeine can also serve as a laxative, due to the increased concentration it causes in the small and large intestinal muscles. As a result of this concentration, pre-digested food moves into the intestine, which can trigger painful stomach cramps.

Dehydration

Frequent urination or diarrhoea is likely to result in dehydration, due to the imbalance of your bodily fluid. As your body is expelling more water than usual, it will also be expelling the vitamins and minerals it requires to function at its full potential. If you’re feeling thirsty, tired or drained, try examining your coffee habits as you may find they’re the cause of your dehydration.

Trouble Sleeping

Insomnia is a common side effect of high caffeine intake, due to its effect on the neurotransmitter Adenosine, which is a natural tranquillizer of the brain. Without its activity, we are prevented from falling asleep easily.

Hallucinations

While one or two cups of coffee won’t cause effects of this scale, too much can result in hallucinations. These occur when the body becomes stressed due to caffeine overdose combined with high adrenaline levels. Anyone experiencing hallucinations as a result of caffeine should cut back, or even quit as soon as they’re able.