Most of us are familiar about cancers and the destruction that they do to the body. Part of this is the fact that cancer is one of the most common and one of the deadliest diseases around. However, not everyone understands completely basics of why cancers occur.

An article by the US-based National Health Museum (NHM) explains some of the fundamentals of cancer, from what is and how it occurs. According to the article, “cancer is a disease of genes gone awry.” The genes that are responsible for controlling the replication of cells become damaged, which leads to the uncontrolled reproduction of the cells. This is then spreads to neighboring tissues, and may eventually spread throughout the body.
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According to new research, cancer accounts for 40% of people who die early deaths, a figure higher than any major disease such as AIDS and stroke.

The study conducted by the Cancer Research UK found that 76,000 people aged 25-74 die prematurely because of cancer each year. This accounts for 40% of the premature deaths in the country, compared to 15% from heart diseases and 9% from respiratory diseases. The figure is also higher than other illnesses such as AIDS, and other causes of early deaths such as murders, suicides and road accidents.
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