Diseases are caused by different factors and they have different ways of attacking the body. There are different types of diseases that can affect humans. Some of them are infectious, while others are non-infectious. In this article, we will discuss the causes of some common diseases.
The most common cause of death in the world today is heart disease. Heart attacks and other cardiovascular diseases are the leading cause of death in the world. The major risk factors for heart disease include smoking, high blood pressure, high cholesterol, diabetes, obesity, lack of exercise, poor diet and stress.
The second most common cause of death is cancer. Cancer affects millions of people around the world each year. It can be caused by many factors such as genetic predisposition, environmental exposure to carcinogens and lifestyle factors. The major risk factors for cancer include smoking, alcohol consumption, poor diet, physical inactivity, exposure to radiation and pollution.
Another major cause of death in the world is stroke. Stroke is caused by a sudden interruption of the blood supply to the brain. It can also be caused by a clot that forms in one of the arteries that supply the brain. The major risk factors for stroke include high blood pressure, smoking, high cholesterol, diabetes, lack of exercise, obesity and poor diet.
Lung cancer is the third most common cause of death in women and the fourth most common cause of death in men. Lung cancer is caused by smoking and exposure to asbestos. Other major risk factors for lung cancer include tobacco use, exposure to radon gas, air pollution and family history.
The fifth most common cause of death is liver cancer. Liver cancer is caused by chronic infection with hepatitis B or C virus. Other major risk factors for liver cancer include hepatitis B and C, cirrhosis, excessive alcohol consumption, heavy smoking, exposure to vinyl chloride and aflatoxin.
The sixth most common cause of death is colon cancer. Colon cancer is caused by chronic infection from bacteria called Helicobacter pylori. Other major risk factors for colon cancer include high intake of red meat, low intake of fiber, smoking, obesity and sedentary lifestyle.
