Overview: Cancer Causes and Symptoms
 Cancer is a pretty scary word, especially when it affects our own health or that of a loved one. Medically speaking, cancer occurs due to the rapid division of abnormal cells, which results in development of benign (non-cancerous) or malignant (cancerous) tumors. Cancer is responsible for almost 1,7000,000 new cases annually in the United States.    Additionally, research from the National Cancer Institute (NCI) indicates that the most prevailing forms of the disease include the following forms of cancer in North America:     Breast cancer    Lung cancer    Prostate cancer    Rectum and colon cancer    Bladder cancer    Melanoma, or skin cancer    Non-hodgkin lymphoma    Thyroid cancer    Renal, or kidney cancer        Common symptoms of cancer    The most common early warning signs of cancer will present differently, depending on the type and stage of cancer the patient is in. Cancers are diagnosed in four stages and obviously early detection is vital for increasing the patients treatment and life expectancy. However, early warning signs of cancer may include:     Moles that change shape, color, texture, or size    Moles or growths with discharge or bleeding    Cuts or injuries that don’t heal    Sudden weight loss    Development of growths or tumors    Loss of appetite    Swallowing issues    Bowel and digestive issues    Urination frequency or difficulty    Chronic cough     Common causes of cancer        Due to the fact that cancer is considered a “collection of related diseases” by health professionals, several factors can be responsible for aiding the development of abnormal cell growth characteristic to cancer, such as:
            