Coffee contains a small amount of some vitamins and minerals, which add up if you drink many cups per day. It is also high in antioxidants.
The main active compound in coffee is the stimulant caffeine. It can cause a short-term boost in energy levels, brain function, metabolic rate and exercise performance.
Several studies show that coffee drinkers have a much lower risk of dementia, Alzheimer’s disease and Parkinson’s disease in old age.
Numerous studies have shown that coffee drinkers have a significantly lower risk of type 2 diabetes.
Coffee drinkers have a significantly lower risk of cirrhosis and liver cancer. The more coffee you drink, the lower your risk.
Studies show that people who drink coffee have a lower risk of becoming depressed and are significantly less likely to commit suicide.
Some studies demonstrate that — on average — coffee drinkers live longer than non-coffee drinkers. The strongest effect is seen at 4–5 cups per day.
Caffeine can have various negative effects, such as anxiety and disrupted sleep — but this depends greatly on the individual.
Caffeine is an addictive substance. It can lead to tolerance and well-documented withdrawal symptoms like headaches, tiredness and irritability.
Decaffeinated coffee is made by extracting caffeine from coffee beans using solvents. Decaf does not have all of the same health benefits as regular coffee.
It is important not to put a lot of sugar in your coffee. Brewing with a paper filter can get rid of a cholesterol-raising compound called cafestol.