Many of the nutrients in coffee beans make their way into the finished brewed coffee.
Studies observe that people who drink the most coffee have a 23–50% lower risk of getting this disease. One study showed a reduction as high as 67%.
According to a large review of 18 studies in a total of 457,922 people, each daily cup of coffee was associated with a 7% reduced risk of type 2 diabetes.
Several studies show that coffee drinkers have up to a 65% lower risk of Alzheimer’s disease.
Studies show that coffee drinkers have a much lower risk of Parkinson’s disease, with a risk reduction ranging from 32–60%.
In this case, the caffeine itself appears to be beneficial, as people who drink decaf don’t have a lower risk of Parkinsons.
Coffee may protect against cirrhosis. People who drink 4 or more cups per day have up to an 80% lower risk.
In a Harvard study published in 2011, women who drank 4 or more cups of coffee per day had a 20% lower risk of becoming depressed.
Coffee appears to be protective against two types of cancer: liver and colorectal cancer. Liver cancer is the third leading cause of cancer death in the world, while colorectal cancer ranks fourth.
Studies show that coffee drinkers have up to a 40% lower risk of liver cancer. Similarly, another study in 489,706 people found that those who drank 4–5 cups of coffee per day had a 15% lower risk of colorectal cancer.
Studies don’t support the idea that coffee raises your risk of heart disease. On the contrary, there is some evidence that women who drink coffee have a reduced risk.
Some studies also show that coffee drinkers have a 20% lower risk of stroke.
Several observational studies indicate that coffee drinkers have a lower risk of death.
In two very large studies, drinking coffee was associated with a 20% reduced risk of death in men and a 26% decreased risk of death in women, over 18–24 years.
coffee is quite high in antioxidants. Studies show that many people get more antioxidants from coffee than from fruits and vegetables combined.
In fact, coffee is among the healthiest beverages.