You want waist-length hair. You know it won't be quick, but logic dictates that it should be possible. Now what? To achieve extremely long hair, you'll need to know how to help it grow ...

"Humans grow extremely long scalp hair," said Nina Jablonski, the Evan Pugh Professor Emeritus of Anthropology at Penn State and paper co-author. "Likewise, attributes of scalp hair—its length ...