The power and influence of testosterone

[@makeit7944]

This is like the most important conversation of all time

[@OUPAcademic]

Joe Herbert explains the significant impact of testosterone on our everyday lives #science #biology #testosterone

[@FlexinGains]

love this guy review on the hormone..
such a soothing accent.
yet it takes the whole region of the mind!

[@allkinds6780]

this is awesome

[@SmultronsyltNatha]

Interesting!

[@kookykats6834]

lol no one cares about learning, on 579 views in 8 months

[@kookykats6834]

+KookyKats99 lol however this video is quite intersting

[@EvaGreenFanPennyDreadful]

+KookyKats99 lol the book was amazing

[@kookykats6834]

shut up

[@EvaGreenFanPennyDreadful]

KookyKats99 lol you need some testosterone

[@kookykats6834]

you need to shut up