Ongoing human evolution
All these pieces of evidence from our past history show that humans have retained the ability to evolve rapidly. But are we continuing to evolve at the present time? Without a doubt! Although the evolutionary pressures that are acting on us are often different from those that acted on our ancestors a million years ago or even 10,000 years ago, we are still exposed to many of the same pressures. Selection for resistance to infectious disease continues. We have conquered, at least temporarily, many human diseases, but many others - such as tuberculosis, AIDS, malaria, influenza, and many diarrhoeal diseases -continue to be killers on a massive scale (see
Chapter 14, this volume). Selection for resistance to these diseases is a continuing process because the disease organisms themselves are also evolving.
Continue reading here: Behavioural evolution
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