What is cancer and what happens to make it occur

Cancer is a disease in which abnormal cells divide uncontrollably and destroy body tissue.

Explanation:

Cancer is caused by gene mutations, which are sometimes caused by inherited gene mutations (ones you are born with), or mutations that occur after birth (i.e smoking, being overweight, chronic inflammation, viruses, cancer-causing chemicals (carcinogens), hormones, and lack of exercise.)

Your habits (drinking alcohol frequently etc. )

And family history are the main influences of cancer.

However, inherited cancer is usually rare.

Hope this helps!!!

I used to study medicine and so I know a lot about this.

A disease in which abnormal cells divide uncontrollably and destroy body tissue.

Explanation:

Cancer, also called malignancy, is an abnormal growth of cells. There are more than 100 types of cancer, including breast cancer, skin cancer, lung cancer, colon cancer, prostate cancer, and lymphoma. Symptoms vary depending on the type. Cancer treatment may include chemotherapy, radiation, and/or surgery.

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.

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