Charles Darwin 's Survival Of The Sickest By Dr. Sharon Moalem

2195 Words Sep 6th, 2016 9 Pages
Throughout modern day society, many diseases that humans would consider harmful and just simply and outright, fatal, were actually beneficial to our ancestors, centuries ago. Granted, there are definitely many diseases today that are killing millions of people, but these same diseases that exist have done the opposite for our ancestors. Many of these diseases such as diabetes, and hemochromatosis that we consider deadly provide us a follow up question: Why was this disease selected into our gene pool? And this question will date us back to centuries ago when our ancestors had actually benefited from such “diseases” as a crucial way to survive. The father of evolution, Charles Darwin describes his theory behind natural selection. Natural selection is the process by which humans obtain new genes as a way to adapt to their environment and produce more offsprings. As discussed in the novel of Survival of the Sickest, written by Dr. Sharon Moalem, Moalem gives readers an evolutionary approach to the mystery behind modern day diseases by looking into the past. For my purpose, I will be discussing the evolutionary advantage behind three crucial diseases that were vitally important for our ancestors survival which are diabetes, hemochromatosis and favism. Modern day diabetes is one of the most common diseases in the entire world, with a shocking 371 million people affected by the disease. All of these diseases, simply date back to periods where the disease was necessary for…
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