Sunday, 13 December 2009

Loneliness makes cancer 'more likely and deadly'

The researchers of the National Academy of Science shows one evidence that loneliness encourage cancer growth. Even though this evidence can be found in experimental rats, lead investigator Gretchen Hermes, of Yale University, mentioned that the interest in relationships between the environment, emotion, and disease is growing, so that this kind of research can find the way of influences of disease from the social world. In addition, Ed Yong, of Cancer Research UK said that although this study was done in rats, loneliness could lead cancer growth indirectly because of unhealthy behaviors, such as overeating, heavy drinking, or smoking.

This article makes my belief of interaction between social environment and disease strength. I have read those kind of articles several times and I remember two significant evidences for those interactions. One evidence is that laughing makes patients healthier. This evidence came from Japanese medical research which found the interaction in 1992. In their experiments, the immune system of one cancer patients who had gone to see comedy show and laughed a lot there was found higher than ordinary levels. After the experiments, they showed results that laughing help relieving stress, secreting protein as painkiller in one's body, and activating of one's heart. And the other evidence is that the brain of people who have family tends to be healthier than that of people who don't. This experiments was held in US among 5,000 people who are dead and was spent 9 years. The researchers compered their brains between who have a family or friends and who are isolated. As results, brains of whom have family or friends were tend to be healthy when they are dead, despite the result is opposite way among the brains of whom are lonely. The researchers concluded that to love or to be loved with someone else tends to keep people's brain good condition during their lives.

Today, medical sciences are so developed that most medicines can help curing patients. On the other hands, taking accounts for our social environment has potentials for curing them from disease, and like this article, we can also prevent from disease growth with avoiding negative social environments. Therefore, I hope those kind of study can be more developed, then all patients can use both of curing way in their hospitals.

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References
Loneliness makes cancer 'more likely and deadly',(2009,December,8), BBC News, Retrieved December 13, 2009 from http://news.bbc.co.uk/2/hi/health/8398728.stm

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