When Ancient People Changed Their Own DNA

The video explores how species, particularly humans, can influence their own evolution through cultural practices. It discusses external factors like climate and competition, and how humans uniquely shape their evolutionary path by altering their environment. Examples include lactose tolerance and starch digestion, which evolved due to cultural shifts in diet. The video also examines how cultural practices, such as shamanic rituals, may have led to genetic adaptations. Overall, it highlights the interplay between culture and genetics in human evolution.

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