Table of Contents (click to expand)Why Are We Getting Taller?Square-Cube Law – Limiting Our HeightStudying The Tallest ManSurviving With Extraordinary Height Is Tough The average human height is around 6 feet, but some people can grow to be over 9 feet tall. We humans have transformed dramatically in the past century. Our global population has soared from just over a billion to more than seven billion. In developed countries like the US, the average life expectancy has jumped from 45 years or so in the mid-1800s to nearly 80 years in the present day. Our physical changes are the most conspicuous of … Continue reading How Tall Can Humans Grow?