…have just changed their ideologies.
According to this article, "[t]he lack of a certain type of mature stem cell causes hair follicles to shrink…." This is in reference to male pattern baldness.
Hmmmmn. I'm not sure if this has been proven or not (I'm too lazy to check the sources) but it is interesting, especially as a 24 year old who has already started to worry about this. Am I paranoid? Maybe. But prevention is the best medicine! Gimme dem stem cells!