The Secret to Longevity?
The role of green tea in promoting longevity has been investigated upon by a lot researchers. They found the premise of their study on observing that Japanese women who are greater-than-average green tea drinkers have lower mortality rates compared to others. This led the researchers to believe that green tea has “a protective factor against premature death.” The polyphenols found in Green tea may be held accountable. The antioxidant effect of polyphenols makes the drink fatal to free radicals, which are the major contributors to aging. As our body ages, our defenses grow weaker, making us more prone to undermine caused by free radicals. These oxygen particles bind themselves with our healthy cells, creating a chain that disturbs the common functioning of the cells, leading to massive damage, which ultimately results to the development of degenerative diseases. By stopping the free radical chain and preventing other oxygen particles from binding with your healthy cells, polyphenols effectively delays, if not stop all together, the symptoms of these diseases. With its high amount of polyphenols, green tea seems to have a stimulating effect on the immune system. Stronger immune system as a result of drinking green tea helps reduce dangers of picking up any illnesses. HEALTH BENEFITS: Fighting Cancer There are a lot health advantages associated with having a green tea diet. One of these advantages is preventing cancer. Certain materials present in green tea are said to aid in destroying cancer cells without harming any neighboring tissues. This substance in green tea is called epigallocatechin gallate or EGCG, a polyphenol with antioxidant effects. In the 1994 edition of the Journal of National Cancer Institute, the outcomes of an epidemiological study stated that one of the health advantages of drinking green tea is that it can alleviate the risk of esophageal cancer in Chinese men and women by up to 60%. The large-scale study examined whether or not people who drank as little as one cup of green tea a week for six months had a alleviated risk of developing certain kinds of cancers (rectal, pancreatic, and others). The researchers found that indeed, the risk is lower in people who drank green tea than those who drank green tea less frequently or not at all. The University of Purdue has also recently concluded a research on how a certain compound present in green tea can stop cancer cells from growing. According to the study, the antioxidant EGCG sets in motion a way called apoptosis. This way is fatal to cells, causing cell death which leads to tissue death, and ultimately, organ failure. “In the presence of EGCG, the cancer cells literally failed to grow or enlarge after division then presumably because they did not reach the minimum size required to divide, they underwent programmed cell death, or apoptosis.” Yet, interestingly enough, cell death caused by EGCG does not include the healthy cells, but only those affected with cancer. In another study, researchers at the University of Murcia in Spain and the John Innes Center in Norwich, England have featured that EGCG in green tea prevents cancer cells from growing by binding to a clear cut enzyme. “We have featured for the first time that EGCG, which is present in green tea at relatively high concentrations, inhibits the enzyme dihydrofolate reductase, which is a recognized, established target for anti-cancer drugs,” says Professor Roger Thorneley of JIC. “This is the first time, to our knowledge, a known target for an anti-cancer drug has been identified as being inhibited by EGCG,” he added, saying further that EGCG is perhaps just one of a number of anti-cancer mechanisms present in green tea. “We have identified this enzyme in tumor cells that EGCG targets and comprehend how it stops this enzyme from making DNA. This means we may be able to develop new anti-cancer drugs based on the structure of the EGCG molecule,” Thorneley explained. EGCG may well amplify the body’s natural antioxidant system as well. It encourages the decimation of the detrimental oxygen molecules, free radicals. |
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