Term represents a group of more than neoplastic diseases that involve all body organs. One or more cells lose their normal growth controlling mechanism and continue to grow uncontrolled.
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They tend to invade surrounding tissue and to metastasize to distant body sites. Second leading cause of death in United States after heart disease. Ranks fourth for males and first for females as cause of death; second after accidents as cause of death for children. Greatest increase seen in lung cancer—consistent with smoking patterns. Incidence rate. It is predicted that the incidence of cancer in the United States could double by the middle of the century, due to growth and aging of population.
Leading causes of cancer death are lungs, prostate, and colorectal for males; lungs, breast, and colorectal for females. Most common site cancer vs benign tumor cancer for a female is the cervix.
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Steps in controlling cancer: Educate the public and professional people about cancer. Encourage methods of primary prevention.
Carcinogens: agents known to increase susceptibility to cancer. Chemical carcinogens: asbestos, benzene, vinyl chloride, by-products of tobacco, arsenic, cadmium, nickel, radiation, and mustard gas. Iatrogenic chemical agents: diethylstilbestrol DES ; chemotherapy; hormone treatment; immunosuppressive agents, radioisotopes, cytotoxic drugs.
Radiation carcinogens: x-rays; sunlight ultraviolet light ; nuclear radiation. Viral factors: cancer vs benign tumor simplex; Epstein—Barr; hepatitis B, and retroviruses. Genetic factors: hereditary or familial tendencies.
Demographic and geographic factors. Dietary factors: obesity; high-fat diet; diets low in fiber; diets high in smoked or salted foods; preservatives and food additives; alcohol. Psychological factors: stress. Optimal dietary patterns and lifestyle changes. Increase total fiber in diet—decreases risk of colon cancer.
Benign Tumor Vs Malignant Tumor ( Clear Comparison ) ce dau viermii
Increase cruciferous vegetables cabbage, broccoli, carrots, Brussels sprouts. Increase vitamin A—reduced incidence of larynx, esophagus, and lung cancers. Increase vitamin C—aids tumor encapsulation and promotes longer survival time. Increase vitamin E—inhibits growth of brain tumors, melanomas, and leukemias.
Decrease alcohol consumption.
Avoid salt—cured, smoked, or nitrate-cured foods. Minimize exposure to carcinogens.
Cancer vs benign tumor
Avoid oral tobacco—increases incidence of oral cancers. Avoid exposure to asbestos fibers and constant environmental dust.
Avoid exposure to chemicals. Avoid radiation exposure and excessive exposure to sunlight.