Top 8 Deadliest Cancers in Human History

Photo credit: Bigstockphoto
Photo credit: Bigstockphoto

2. Breast Cancer

Breast cancer isn’t the deadliest of all human cancers. In highly developed countries like the United States and England, 80 to 90 percent of patients with this disease survive for at least 5 years. Nonetheless, it is the most prevalent form of cancer in women. It affects 1 out of every 4 women with cancer and is 100 times more common in women than in men. There were also 1.68 million cases of breast cancer and around 520,000 deaths related to it in 2012.

The disease is marked by the development of cancerous growths in the breast tissue, resulting in symptoms such as change in breast shape, the presence of lump(s) in the breast, fluid coming out from the nipple, and dimpling or reddish scaling of the skin over the affected area. Breast cancer has been known to spread to the bones and lymph nodes.

Who’s at risk? Women are at a much greater risk for breast cancer than men. Those who had menarche or their first menstruation at an early age, did not bear children or had them late, and received hormonal replacement therapy during menopause are more likely to have breast cancer. In both men and women, other risk factors include inadequate physical exercise, obesity, and alcohol consumption. 5 to 10 percent of breast cancer cases are caused by genetics passed on from parents to offspring.

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