Main causes of cancer
Genetic Mutations: The basic cause of cancer is changes in the DNA in our cells. This can be due to inherited genetic changes or changes that occur during life.
Smoking and drinking: Smoking and drinking are the main causes of cancers of the lungs, throat, mouth, and liver.
Lifestyle changes:
Obesity.
Lack of exercise.
Regular consumption of processed foods, fried foods, and excessively sweet foods.
Infections: Some viruses and bacteria can cause cancer. For example:
HPV (Human Papillomavirus) – cervical cancer.
Hepatitis B and C viruses – liver cancer.
H. pylori bacteria – stomach cancer.
Environmental Factors: Pollution, exposure to chemicals, and asbestos can cause lung cancer.
Excessive UV Radiation: Excessive exposure to ultraviolet rays from the sun can cause skin cancer.
Age: Changes in cells with age increase the risk of cancer.
