Cancer is a class of diseases that grow uncontrollably in order to invade and destroy tissues of the body. They are known also in some cases to spread to other locations within the body through blood or lymph. Cancer is divided into two groups; environmental causing cancer and cancer caused by hereditary or genetic means. Some of the environmental causes are tobacco smoke and in some cases alcohol. These are some of the voluntary causes. Some of the involuntary causes are use of herbicides, food contaminates, and some hazards associated with cosmetic use.
Lung cancer is the most common type of cancer and the type of cancer with the least incidence is leukemia. There are several types of cancer. Some of these are colon/rectal, kidney, bladder, breast, pancreatic, prostate, and thyroid. Most cancers are recognized by signs and symptoms and also by specific screenings. However there are some harmful consequences from screening tests such as x-rays expose the body to harmful radiation. A pathologist is a doctor who specializes in the diagnosis and treatment of cancer. Some of the tests used to determine if cancer is present are blood tests, x-rays, CT scans, and endoscopy
There are ways to prevent cancer but nothing is definite. Some of these are avoiding such risk factors such as tobacco use, overweight or obesity, as well as low fruit and vegetable intake. Alcohol, sexually transmitted diseases and air pollution. There are some lifestyle changes that also will help to reduce the risk of getting cancer. These are limiting intake of red meats, reducing the intake of salt, and exercise more. Such medications as aspirin, tamoxifen, raloxifene, finasteride, and cox-2.
There are many management options available. These are chemotherapy, radiation therapy, surgery, immunotherapy, monoclonal antibody therapy, and other methods. The treatment rendered is entirely dependent upon the type of cancer, the location, the stage and general state of the person’s health. Complete removal of the cancer without damaging the rest of the body. Sometimes this is inevitable. Such as in radiation treatments which can cause tissue damage.
Periodic screenings and physicals are very much recommended in order to catch cancer as early as possible to give the doctors the advantage of catching it at the early stages and thus increase the chances of a better outcome. Due to the various types of cancers that affect different areas of the body, It is unknown if there will ever be a single cure for cancer. Medical School is the path and the foundation for correcting as well as curing all diseases.