Adrenaline works directly on receptor cells in muscles to speed up the contraction rate of the fibres, ready for fighting or fleeing. High levels of adrenaline can therefore lead to muscles twitching uncontrollably, making us shake.
I agree that we should care instead of just ignoring it. that’s like saying as home owners, should you care about your home (aka if the rooms are messy, cabinets are dusty and stuff).
