We have all seen human evolution images and charts multiple times. The ancestor that comes right behind modern humans (homo sapiens) in the chart is Homo Neanderthalensis or simply Neanderthals. This ancient ancestor was so similar to humans that they interbred. Assimilation into the modern human genome is one of the reasons for the extinction … Continue reading From Depression To Addiction: How Neanderthal Genes Are Affecting Modern Humans