I'm always careful about various aspects of my health so as not to damage it.
Literal
Health [object-を] not-harm [purpose-ように], always [from-から], body [toward-に対して] various care [object-を] am-doing.
常日頃 'always, at all times' is a somewhat formal adverb emphasizing habitual practice. 気配り 'attentiveness, consideration' is a valued Japanese concept. ~ないように signals negative purpose: 'so as not to.' に対して 'toward' is a formal compound particle.