After research performed at the Kenneth Cooper Clinic in Dallas, USA, illustrated the importance of aerobic exercise, members of the public were quick to embrace the idea. Celebrities started doing it – many even promoted it – and physical fitness became something of a status symbol! One exercise magazine described workout fanatics as “an emerging super-race… guilt-inducing to the rest of us, exhilarating to those who are ‘in’.”
Read more at https://www.benenden.co.uk/100yrsfitness/index.html#tvL3tpiQgvM1MdrU.99