Wearing Your Heart on Your Sleeve—1970s Style
This dapper bee from 1977 advertised an NHLBI-sponsored multicenter, randomized, double-blind, and placebo-controlled trial designed to test the benefits of beta-blockers for people who had had a heart attack. The study was called the Beta-Blocker Heart Attack Trial (BHAT). Ah, you say—that’s why the bee in the hat!
