How to boost immunity against corona part 2!!!!Apr 9, 2020kawamitsudcUncategorized Hello everyone, I am Kawamitsu, Director of LFC. Today I found a video that shows how to boost your immune system in a way that anyone can easily do, and I would like to share it with you. It is courtesy of Ma from the Learning Salon. There are three key points. 1 Diet to boost immunity 2 Good sleep boosts immunity 3 Laughing boosts the immune system. Now please watch the video.