#Cardiorespiratory

In a wave of new research and expert consensus, VO2 max has taken center stage as arguably the most crucial health and fitness metric for people of all ages, overtaking traditional indicators such as BMI or body weight. This push to recognize VO2 max’s importance underscores its powerful ability to predict cardiovascular health, longevity, and even cognitive function, prompting a growing number of doctors and fitness professionals to urge everyone—from elite athletes to ordinary individuals in Thailand—to pay attention to and improve their VO2 max. But with so much attention now on this number, what exactly is VO2 max, why does it matter, and how can Thais take actionable steps to improve it?