The causes of cancer include tobacco use, exposure to ultraviolet rays, genetics, and exposure to harmful chemicals, according to the American Cancer Society. Diet and exercise habits may also linked to cancer. More »

www.reference.com Health Conditions & Diseases Cancer

The exact cause of thyroid cancer is not known as of 2014, but certain inherited conditions likely contribute, according to the American Cancer Society. Genetic changes or mutations in a person's thyroid typically lead t... More »

www.reference.com Health Conditions & Diseases Cancer

Doctors are not sure what causes most cases of liver cancer. However, they do know that many hepatitis viruses cause the disease, notes Mayo Clinic. More »

www.reference.com Health Conditions & Diseases Cancer

Although it is difficult to attribute any form of cancer to a single cause, exposure to ultraviolet radiation from the sun is a specific risk factor for skin cancer on the nose, states the Centers for Disease Control and... More »

www.reference.com Health Conditions & Diseases Cancer

The three main factors that contribute to pancreatic cancer are genetics, exposure to carcinogens and chance. Pancreatic cancer begins when the DNA of a single cell is damaged and the cell begins to function abnormally. ... More »

www.reference.com Health Conditions & Diseases Cancer

There are many types of cancer with a wide variety of potential causes, including genetics, lifestyle, infections and environmental exposure, according to the American Cancer Society. While it is possible to control some... More »

www.reference.com Health Conditions & Diseases Cancer

Squamous cell lung cancer is caused by smoking, exposure to radon, second-hand smoke and pollution, according to the American Cancer Society. Asbestos and diesel exhaust also lead to squamous cell lung cancer. Experts be... More »

www.reference.com Health Conditions & Diseases Cancer