Day Two – Giggling Germ-Busters: How Laughs Bolster Immunity

A hearty laugh fires up antibodies and T-cells—so giggle now to guard your health later.

Laughter isn’t just fun—it’s a frontline defender. Studies show that laughing increases antibody‑producing cells and T‑lymphocyte activity, giving your immune system a turbo‑charge    . Even salivary IgA, a key antibody that helps fight respiratory illnesses, elevates after humor‑induced fun  . A UCLA‑affiliated overview notes that laughter could reduce inflammation, protect against disease, and even extend longevity—without costing a dime  . So, the next time someone asks why you’re laughing so hard, tell them it’s not just for fun—it’s preventive medicine.

Action Step: Post a joke or meme in your group chat or family text—create an infectious giggle to boost everyone’s immunity.