The Health and Body Conditioning is a physical training regimen (see the general regimine rules for time and other requirements to apply a change) that adjusts health and body conditions. This regimen assists with the Physical Conditioning Regimen feature.
A character having a training regimen feature at the time of Character Inception can make the change if desired, before starting play.
The emphasized Attribute is Vigor (Constitution); Reduce Reactions (Dexterity) by 1, increase Vigor (Constitution) by 1.