The authors report no relationships that could be construed as a conflict of interest. The authors are supported Understanding the evolutionary history of human adaptation is essential to understanding human… Click to show full abstract
The authors report no relationships that could be construed as a conflict of interest. The authors are supported Understanding the evolutionary history of human adaptation is essential to understanding human biology today. Humans went through several stages of evolution in the past 40,000 years showing remarkable variations both within and between populations in a number of phenotypic traits, such as pigmentation, height, food preference/ diet, heat tolerance and cold stress responses, and susceptibility to communicable and noncommunicable diseases. This diversity that exists in modern-day humans is a culmination of genetic, environmental, and cultural adaptations that have occurred under various selective pressures acting over different phases of human evolution [1,2].
               
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