The worst cancer considered by doctors...Head and Neck Cancer.. How can we prevent it?

Have a great day as you watch videos from Dr. Friends😁 Subscription will bring you health♥ The first book that contains sincere stories of Dr. Friends!!! 😆 http://www.kyobobook.co.kr/product/de... Do you love psychology games? Psychiatrist simulator that Dr. Friends have created, "Help Me" is available on STEAM ;) STEAM Link : https://store.steampowered.com/app/15... Dia Market Link(Game and DODAMDODAM mind cards available) : https://bit.ly/3yZia9V Intro music and lyrics by STELLA JANG (Thank you!!👍❤)