Potential_Limit_9123 t1_itrrcwp wrote on October 25, 2022 at 8:38 PM

Reply to comment by Kailaylia in Regular physical activity may boost effectiveness of COVID-19 jab. Risk of hospital admission among fully vaccinated healthcare workers was reduced by 60% in the group who engaged in low levels of physical activity, and by 72% and 86% in the medium and high physical activity groups, respectively by Wagamaga

If they really wanted to do something, they could have created three arms and had people exercise for different levels (and maybe throw in a non-exercising group). Until then, healthy user bias rears its ugly head.