This was discovered after researchers did further tests to check if there are any effects of drinking coffee aside from increased alertness. Studies conclude that taking two to three cups daily can prevent various diseases such as Parkinson's disease, depression and the prevention of cavities.



Another study shows that the antioxidants contained in coffee are more effective than those coming from fruits and vegetables. This is because not all of the nutrients here have done much to protect the individual from various diseases.

Aside from coffee, other substances that also contains caffeine, which can help boost the immune system, are tea and chocolate. Red wine or beer is also helpful but these must be consumed in moderation.

Green coffee beans for example have something inside called chlorogenic acid. This is an antioxidant that helps regulate the digestive system and makes the body absorb oxygen much better than other liquids.

Regular black coffee on the other hand has caffeic acid, melanoidins and N-methylpyridinium.

There are people who drink coffee with cream, milk or sugar. Even if one or all three are mixed with coffee, the level of antioxidants remains the same so people can still reap the benefits of drinking it.

So, the next time you go to a caf? and decide to get a drink, chances are coffee will be ordered instead of a cup of tea. You will just have to choose from the different variants now available which could be either hot or cold.

Studies have shown that there is nothing wrong with drinking more than three cups of coffee daily. Some people are able to do it while others can't. The best thing to do is know when enough is enough. After all, there is always tomorrow and it isn't that difficult to brew up a new batch. By engaging in other things that will benefit one's lifestyle, you will surely live until one is in 70's or 80's.

The only ones who shouldn't drink coffee are those who are pregnant, are suffering from heart disease or children who will become restless with the excess energy due to the caffeine.