Is the american identity static or fluid over time? why?

I believe identity is fluid, always changing, rarely static even in those who wish desperately to fix their identity in place. We participate in creating our own identities (I’m doing so right now as I write), but we are changed by things that happen to us—events out of our control—and that also continues to shape our identities.

Eating a poor diet can have harmful effects on people's health

Explanation: