Cancer :
The cells in the body take instructions from the genes about when to start and stop growing. But sometimes, the cells start ignoring these instructions and become cancerous cells. They multiply rapidly and form clusters or tumours. The cancer cells can break away from their clusters and spread to other parts of the body. Cancer is of more than 100 types. However, they all cause some general symptoms, such as tiredness, unexplained weight loss, fever, and night sweats. It is usually diagnosed with a combination of blood tests, imaging tests, and biopsies. Doctors determine the stage of the cancer and plan the treatment accordingly. There are many cancer treatments. Depending on the case, doctors may recommend a combination of treatments. Besides surgery and chemotherapy, cancer can be treated using targeted therapy, immunotherapy, and hormone therapy, among other treatments.