When colon cancer is detected in its early stages, it may not have even caused symptoms. Symptoms can also vary according to the specific location within the colon where the tumor is located. Some symptoms and signs of colon cancer are: rectal bleeding or blood in the stool, dark-colored stool, change in bowel habits, change in stool consistency,
Most skin cancers are caused by exposure to the sun. There are 2 main types of non melanoma skin cancer, basal cell carcinoma (BCC) and squamous cell carcinoma (SCC). A history of sunburn increases the risk of BCC.Risk is especially high if you had several episodes of sunburn in childhood.here are 2 main types of non melanoma skin cancer Ì¶Ì¶ basal cell carcinoma (BCC) and squamous cell carcinoma (SCC). A history of sunburn or recreational exposure to sunlight increases the risk of BCC.
UVC and most of UVB are absorbed by the ozone layer in the earth's stratosphere. Ultraviolet light causes sunburning and damages the skin's elastic protein, collagen. It is also a major factor in the development of the skin cancers rodent ulcer (BASAL CELL CARCINOMA), MALIGNANT MELANOMA and SQUAMOUS CELL CARCINOMA.