In recent years there has been an abundance of research investigating the benefits of green and black tea on preventing disease. And, the results have been divided. Depending on the health condition being evaluated, some studies have shown green tea to be more effective, while others have shown green and black tea to be equally effective.

Green tea differs from black in its processing. Both come from the Camellia sinensis plant, but black tea is fermented when processed. This fermentation changes some of the tea plants compounds, and effectively reduces some of the most important anti-oxidants, namely EGCG, one of the most important anti-oxidants you can consume. However, black tea does still contain many other important anti-oxidants.

When it comes to preventing many forms of disease, EGCG seems to be an important component, making green tea the drink of choice. In addition, the reason tea came into focus in the first place was the noticeably lower rates of disease in Asian countries, where tea is consumed in large quantities - most of it green tea.

One of the diseases that tea is reported to prevent is breast cancer. Several studies have shown that tea, green in particular, seems to significantly lower your chances of developing breast cancer. Some studies have even suggested that green tea could even be an effective treatment for breast cancer.

One study conducted on breast cancer patients undergoing chemotherapy noted that those participants who regularly consumed green tea during their chemotherapy treatments showed higher concentrations of the chemotherapy drugs in their cancer cells than those who did not consume green tea.

Other studies have indicated that green tea can inhibit the growth of cancer cells, possibly preventing the spread of the disease. And, additional studies have shown that green tea may prevent the recurrence of breast cancer in patients diagnosed at Stage I or II of the disease.