What if there were a drug out there that cost nothing to produce, required no prescription, and made people live longer, feel happier and less stressed, and sleep better? There’d be a run on the pharmacies. But this wonder drug isn’t a drug. It’s altruism and compassion, a team of experts in the benefits of helping others--bioethicist Stephen G. Post, neurosurgeon James Doty, and Big Sunday founder David Levinson--told a crowd at an event co-presented by Kaiser Permanente and moderated by KQED's Lisa Aliferis.