Are you also here because it seems that YouTube can explain things better than your teacher? You're not alone - welcome to the club!
I'm Dr. Musaa, a former medical student, now a PhD candidate and nuclear medicine resident. Over my nine years of study, I've had the privilege of learning from many esteemed teachers. I've observed that as their expertise in their fields deepened, explaining concepts in a clear and straightforward manner became increasingly challenging for them.