Health is most commonly referred to in a physical standpoint. For example, how often they exercise and how healthy they eat, which is extremely important to one’s overall health. In contrast to millennials having more accessible knowledge than the prior generations, they still fail to understand the basic concepts of overall health and tend to disregard it.
A millennial could have poor mental health because of the generations before them. Including social media which makes their health conditions worse.
Millennial vs Gen X Health 