Cancer: It is a medical term that includes a wide range of diseases characterized by abnormal growth of cells that divide without supervision and have the ability to penetrate tissues and destroy healthy tissues in the body، It is able to spread throughout the body. Cancer is one of the causesThe main death toll in the western world, but the prospects for recovery from cancer are constantly improving in most species, due to advances in early detection methods and cancer treatment options. The stages of cancer are usually denoted by Roman numerals from I to IV, where a larger number indicates that cancer is more advanced، In some cases, the stage of cancer is referred to using letters or verbal descriptions. Symptoms of cancer vary from case to case depending on the member with cancer. Some general symptoms of cancer are attributed to him, but they are not specific to cancer alone, and include: fatigue. Heat rise. The appearance of mass or inflation can be felt under the skin. Pain. Changes in body weight, including an unintended increase or decrease in body weight. Changes on the surface of the skin such as: the appearance of yellow, the appearance of dark areas or red spots in the skin, the appearance of wounds that do not heal, or changes in moles that were present on the skin.Changes in bowel or bladder work patterns. Continuous cough. A sharpness in the sound. Difficulty swallowing. Indigestion or feeling uncomfortable after eating. 

 Causes of cancer:

Cancer includes a wide range of diseases that are characterized by abnormal growth of cells that divide without supervision and have the ability to penetrate tissues and destroy healthy tissues in the body، It is able to spread throughout the body. Although the causes of cancer are still largely unknown, there are some causes that may lead to cancer:

1. Chemical substances and carcinogens.
2. Radiation.
3. Hormonal defect and genetic mutations.
4. Genetic agent.

What are the symptoms of cancer؟