The exact cause of cancer varies from person to person. However, the main causes that have been scientifically identified are as follows:
1. Genetic changes (DNA Mutations)
The DNA in our cells controls the growth of cells. Changes or defects in DNA cause cells to grow uncontrollably. This can sometimes be inherited, or it can be caused by life circumstances.
2. Tobacco use
Tobacco is the cause of a large proportion of cancer deaths. The toxins in cigarette smoke cause cancer in the lungs, mouth, throat, and esophagus. Chewing tobacco also increases the risk of oral cancer.
3. Diet and obesity
Processed meat, excessive amounts of red meat, and foods with artificial colors increase the risk of cancer. Excess body fat causes hormonal changes, which can lead to breast cancer and colon cancer.
4. Environmental Toxins (Carcinogens)
Some chemicals in the air we breathe and the water we drink can cause cancer. Prolonged exposure to chemicals such as asbestos, arsenic, and benzene is dangerous.
5. Radiation
The ultraviolet (UV) rays in sunlight cause skin cancer. Excessive radiation from X-rays and CT scans can also damage cells.
6. Viruses and Infections
Some types of viruses increase the risk of cancer. For example, human papillomavirus (HPV) can cause cervical cancer, and hepatitis B and C viruses can cause liver cancer.
Things to keep in mind to prevent cancer:
Avoid smoking and drinking alcohol: This can reduce the risk of cancer by half.
Healthy diet: Include plenty of fruits and vegetables. A diet rich in fiber can help prevent colon cancer.
Regular exercise: Controlling your weight can help regulate your hormone levels.
Regular checkups: Those over the age of thirty should get a body checkup at least once a year to help detect the disease at an early stage.
