- Drinking too much coffee can cause insomnia, restlessness, or a fast heartbeat, especially if consumed too fast.
- But most research on coffee consumption indicates that coffee is not bad for us and suggests even people who drink more than five or six cups a day seem to be far healthier than people who drink little or none.
- Research suggests a regular coffee habit can reduce a person’s risk of cardiovascular disease, Alzheimer’s, cancer, and diabetes.
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Caffeine is the most commonly used psychoactive drug in the world — for good reason. It wakes us up, helps us stay on task, and provides an extra energy boost.
Most people in the Americas and Europe get a caffeine fix from coffee.
But people often worry that they should limit their coffee consumption or cut it out completely. That’s probably because coffee can feel like a crutch.
It is possible to overdo it on caffeine —many heavy coffee drinkers surpass the recommended limit of 400 mg of caffeine per day, and that can cause insomnia, restlessness, or a fast heartbeat, especially if consumed too fast.
But most research on coffee consumption indicates that coffee is not bad for us, and is associated with some pretty impressive health benefits. Even people who drink lots of coffee, more than five or six cups a day, seem to be far healthier than people who drink little or none.
In most cases we can’t say that coffee actually causes health benefits — the causal mechanism is unclear. But research does suggest that coffee drinkers are less likely to suffer from certain illnesses.
There are plenty of foods and drinks that most of us should consume less. But you shouldn’t worry about your coffee habit. Here’s why.