How many cups of coffee a day are good for your health, according to science

But there is still much discussion about how much coffee is safe to drink during a day. But how many cups of coffee are good for our bodies and how much they're worth.

The right amount of coffee helps your heart.

A group of scientists from Germany have discovered that caffeine causes cells in our blood vessels to react in a certain way. It improves the way these cells function and makes them perform as newer. Researchers believe that the optimum amount of coffee we need to keep our heart younger for longer is 4 cups a day.

Coffee consumers live longer.

Over the years, researchers have found that regular coffee consumers are less likely to be affected by various health conditions. The list includes heart disease, strokes, injuries, respiratory diseases, infections, and diabetes.

A massive study of 400,000 people in the United States. It found that people who drink coffee daily were less likely to die from a cause than people who cut caffeine.

But do not be excessive.

People who regularly drink plenty of coffee may experience health complications. Drinking more than 6 cups of express per day can increase the risk of heart disease to 22%, according to one study.

What makes your coffee unhealthy?

If you are drinking more than 6 cups of coffee a day, it is not just caffeine that can be harmful to your health. Many coffee lovers charge their drinks with sugar and calories - and - fat cream, which may also cause possible health complications.

True, the right amount of black coffee reduces the risk of diabetes, but by adding sweetening, cream, and flavoring, you can increase your blood sugar levels.

You should remember that coffee is not the only source of caffeine. It can also be found in teas and other foods.