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Understanding the causes of cancer is crucial for prevention and treatment. This article explores the genetic, environmental, and lifestyle factors contributing to cancer and offers insights on how to mitigate these risks.
Causes. Cancer is caused by changes (mutations) to the DNA within cells. The DNA inside a cell is packaged into a large number of individual genes, each of which contains a set of instructions telling the cell what functions to perform, as well as how to grow and divide.
Obesity is a leading cause of cancer. It raises the risk of breast cancer, colon and rectal cancer, endometrial cancer, esophageal cancer, pancreatic cancer, and kidney cancer, among others. Excess fat cells produce more of the hormones estrogen and insulin, which promote cancer growth.
The main cause of cancer is mutations, or changes to the DNA in your cells. Genetic mutations can be inherited. They can also occur after birth as a result of environmental forces. These...
Cancer is caused by genetic changes leading to uncontrolled cell growth and tumor formation. The basic cause of sporadic (non-familial) cancers is DNA damage and genomic instability. [1][2] A minority of cancers are due to inherited genetic mutations. [3] . Most cancers are related to environmental, lifestyle, or behavioral exposures. [4] .
There are three broad cancer classifications: Solid cancers: This is the most common type of cancer, making up about 80% to 90% of all cases. This includes carcinoma that forms in epithelial tissue (like your skin, breast, colon and lungs) and sarcoma that forms in bone and connective tissues.
Learn about the causes of cancer and how to reduce the risk of cancer. We also bust some common cancer myths and provide tips for making healthy changes. 4 in 10 UK cancer cases could be prevented by lifestyles changes, like quitting smoking, drinking less alcohol and eating a healthy diet.