Posts tagged skin
Tanning is dangerous. Most people know this, yet why is it continuously something many cannot avoid? It has been known for a long time that UV rays damage DNA and can lead to skin cancer, including melanoma, premature aging and wrinkles. 120,000 new melanoma cases are diagnosed every year. A 2005 study showed that 92% of people knew the sun was dangerous but 62% of them still loved to tan. Over 30 million Americans visit tanning salons, as much as 1 million a day. 70% of them are women between the ages of 16 and 49.
Tanning is dangerous because it More >
Cancer cells have mutations in their genes that render them unable to respond to signals that regulate cell division. These cells grow uncontrollably and can invade normal tissue in other locations of the body and cause disrupted functions of major organs. This is why cancer is so deadly.
A mutagen is a physical or chemical substance that can alter genetic material in cells. DNA can be damaged or changed (mutated). Cancer cells have changes in the genes themselves. These changes More >