When the immune system attacks itself.
Answer: Heyaa! ( Have an amazing day <3 )
True, We learn from our families, our culture, and others. the primary emotion, the feeling at the root of your reaction is, so that you can take an action that is most helpful.
Some emotions that are considered learned: guilt, shame, confusion, resentment, frustration, and remorse.
Hopefully this helps you !
<em>- Matthew ~</em>
I think it is natural selection. genetic variation also could be a factor for physical variation over the years.
May result from damage to the right Frontal Lobe
