Cancer does not have a cure yet because science is unable to keep the structure of DNA consistent. Cancer is a general term for diseases that affect different parts of the body due to errors in genetic mutations. The genetic mutations often change the DNA and protein structure because of environmental, hereditary and occupational risk factors.
The human DNA is made up of mostly adenine (A), cytosine (C), guanine (G), and thymine (T), and a genetic code may look like ACGTACGT.
Adenine (A) binds with thymine (T), and cytosine (C) binds with guanine (G) only. However, in case of an error, thymine may take the place of adenine. A genetic code with an error may look like ACGTTCGT.
This error induces a series of reactions that may cause cancer in the future. Although the chance of an error in genetic code is ‘very rare’, it seems to have become common these days. The risk factors, better equipment for diagnosis and longer life span of people have made cancer common to hear.
It is not that science is unable to find a cure for cancer, but the ability of cancer to change the genetic code has made the task difficult.
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