Mitchell Moffit and Gregory Brown of ASAPScience explain via whiteboard animation the physiological reasons why most teenagers are as moody as they often are.
Puberty begins in the hypothalamus where a protein called kisspeptin is produced triggering the pituitary gland to unleash the hormones testosterone, estrogen and progesterone. These activate the ovaries and testes but also cause you to seek emotionally-charged experiences, whether it’s a movie to make you saw or driving 180 km/h down the freeway it causes your response to emotionally loaded images or sounds to be more intense.