Yes, we all know coffee and tea are considered to be quite healthy drinks. Compared to other beverages, your family won't generally stop you from drinking these two.
Mostly, coffee is known to uplift your mood, increase your metabolism, and take your 'alertness' to a next level by triggering adrenaline release. As Caffeine blocks the effects of adenosine - the chemical in the brain that makes you feel tired - you can work longer as well. And people simply love drinking it.
But there is a dark side to coffee that people should not overlook. Most of the coffee-lovers tend to have specific times when they almost cry or die to get a cup or two (sometimes more). That's just one of the these dark signs, and there are more.
When people drink coffee in large amounts, there are some dangerous side effects that they need to keep in mind.
1. Digestive Problems
A lot of people would admit that they need a cup of coffee to get their sh** moving (literally) in the morning. True -- caffeine triggers the release of a horomone called gastrin, which speeds up the movement of colon (the end part of our digestive tract).
At the same time, some studies suggest that coffee can trigger acid reflux in healthy bodies, due to the same mechanism as above if coffee is exploited. Mainly coffee affects it by weakening the a valve which keeps stomach acid out of the esophagus.
2. Lack of Sleep (Insomnia)
Caffeine is widely consumed for this purpose - drink, stay awake, work, repeat. However, this path of seemingly increased productivity comes at a cost. First, you get used to this, and form a habit -- because coffee is never 'too much' for regular drinkers. And the next thing - it takes way longer time to fall asleep. Studies have shown that in many cases, your total sleeping time may get affected due to too much coffee.
This might sound ironic. But wait for it - because when caffeine leaves your system, it does have a rebound effect. Yes, your alertness and lightened-up mood may stay as long as you keep drinking coffee, and probably drink more to prevent the rebound. But that pattern might start affecting your sleep and overall health without you realizing it.
Despite all the health benefits of coffee, it still remains a habit-forming drink. Research has found that caffeine triggers certain brain chemicals similarly to the way cocaine and amphetamines do. While its not a classic drug-addiction, there's a chance of physical or psychological dependency forming later. A study conducted on more than 200 people showed that after going 16 hours without coffee, daily-users had greater increases in headaches, fatigue and other withdrawal symptoms than non-daily users.
Coffee drinkers largely enjoy it because caffeine triggers the release of adrenaline - the 'flight-or-fight- hormone associated with energy. But when people keep drinking coffee in higher doses, it can lead to development of anxiety and nervousness. While caffeine is also known to increases the heart rate, cause rapid breathing and increased stress levels.
Though if you are normal and controlled coffee drinker, you are less likely to suffer from these side effects.