7 Disadvantages of Coffee You Must Know 

Caffeinated drinks are known to increase alertness. If the intake increases, it can lead to anxiety and nervousness, as it blocks the effects of adenosine and triggers the release of adrenaline. 

Drinking too much coffee can make it difficult to get enough sleep. Studies have shown that higher caffeine intake increases the amount of time it takes to sleep. It also decreases the total sleeping time. 

Many people need their morning cup of coffee. However, coffee poses laxative effects that release gastrin and lead to digestive issues. It is no surprise that large doses of caffeine may lead to loose stools or even diarrhoea in some cases. 

Though coffee has its health benefits, studies have suggested that caffeine triggers certain brain chemicals that lead to classic addiction. 

Caffeine increases the risk of heart disease or stroke. Several studies have shown that caffeine raises blood pressure due to its stimulatory effect on the nervous system. 

High intake of caffeine can cause your heart to beat faster. Coffee also leads to atrial fibrillation, which is an altered heartbeat rhythm. This is mostly reported in young people who consume energy drinks containing extremely high doses of caffeine. 

Consuming too much caffeine leads to increased urination due to its compound’s stimulatory effect on the bladder. High intake may also increase the likelihood of developing incontinence in people with healthy bladders.