My MPB hypothesis.

[youngin]

You are so slow. This study was not done in infants or children, or teenagers. Its very unlikely children's front hair follicles are more sensitive. The question is WHYYYYYYYY do they become more sensitive. WHY WHY WHY. WHY WHY WHY. Oh and again, WHYYYYYYY DO THEY BECOME MORE SENSITIVE. YOU ARE SO ****ING ANNOYING AND NOT EVEN READING.