Hakan
@hakanderin
Prius te ipsum, deinde cetera.
193 okur puanı
Kasım 2017 tarihinde katıldı
Şu anda okuduğu kitap
What keeps the immune system from successfully confronting the internal menace? This is where stress plays its incendiary role: for example, through the release of inflammatory proteins into the circulation -proteins that can instigate damage to DNA and impede DNA repair in the face of malignant transformation. These proteins, called cytokines, can also inactivate genes that would normally suppress tumor growth, enable chemical messengers that support the growth and survival of tumor cells, stimulate the branching of blood vessels that bring nutrients to feed the tumor, and undermine the immune system. Even at the cellular and molecular levels, the generation of ill health is a multifaceted, multistep process.
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Returning to cancer, the work of Dr. Cole and colleagues has shown that activation of the body's stress response can promote tumor growth and spread. It is important to note, as they warned, "that stress per se does not cause cancer; however, clinical and experimental data indicate that stress and other factors such as mood, coping mechanisms, and social support can significantly influence the underlying cellular and molecular processes that facilitate malignant cell growth."
The more we understand about disease, the less clear it becomes when you have it and when you don't." Within the myth of normal, of course, this kind of nuance is barely comprehensible: you're either "sick" or you're "well," and it should be obvious which camp you're in. But really, there are no clear dividing lines between illness and health. Nobody all of a sudden "gets" an autoimmune disease, or "gets" cancer-though it may, perhaps, make itself known suddenly and with tremendous impact.
In a five-decades-long British study that followed nearly ten thousand people from birth until the age of fifty, it was found that early-life adversity -abuse, socioeconomic disadvantage family strife, for example- greatly increased the risk of cancer before the mid-century mark. Women who experienced two or more such adversities had a doubled risk by midlife.
Cancer is no more a disease of cells than a traffic jam is a disease of cars. A lifetime study of the internal-combustion engine would not help anyone to understand our traffic problems... A traffic jam is due to a failure of the normal relationship between driven cars and their environment and can occur whether they themselves are running normally or not.
-Sir David Smithers, Lancet, 1962