The immune system can be boosted by laughter yoga as it leads to the production of more antibodies and activates immune cells ...

(RNS) — Wearing a bright pink tank top, Celeste Greene enthusiastically pops off the Zoom screen, clapping as she chants: “HO HO. HA HA HA. HO HO. HA HA HA. YAY,” each smack of her forceful hands ...