Part 2/10:
In a discourse reminiscent of historical turning points, the speaker compares humanity's understanding of health to the ignorance that long held sway in the past. Just as 19th-century folks believed that infections were caused by "bad spirits," many today might dismiss the idea that microscopic entities—or more abstract concepts—could influence our lifespans. However, openness to new paradigms could lead to transformative ideas that might allow individuals to significantly extend their lives.