Lung cancer.
This is the cancer that is most diagnosed to people with more than 70 years. They have usually a survival rate of 5 years after diagnosis. This cancer is also known as lung carcinoma and the main causes may be smokings, asbestos, air pollution, toxic gases, genetics, radon gas, and others.
Water fasting is <span>a type of </span>fasting<span> in which the practitioner consumes only </span>water<span>. Beginners should water fast for no more than three days in the beginning.</span>
There were more but they weren't discovered as they were not viral and treatment was unknown and research were not done.