Early humans adapted to harsh conditions more than a million years ago

Human ancestors lost most of their body fur 3 to 4 million years ago and did not don clothing until 83,000 to 170,000 years ago, meaning that for over 2.5 million years, early humans and their ancestors were simply naked, and that most illustrations of them reflect modern shame about nudity

Ancient Fossil Discovery Reveals That Early Humans Ate Elephants 300,000 Years Ago

Early Humans Were Infected by Two Distinct Types of Helicobacter Bacteria, New Study Reveals