On the side of the shower opening that will support the door, hold a jamb piece against the wall so that its lower end fits into the base track. Without moving the track, use a 4-foot level to adjust the jamb until it's plumb. Stick a pencil through the jamb's screw holes to mark the wall.
I was asked to answer, so I'll give this my best shot, please know that I do not have any specialized or trained medical knowledge, only practical experience from Ashtanga yoga and meditation. So, yes, walking does reduce anxiety. 1.
Brazilian Researchers Investigate CBD, Anxiety In Humans. In order to test the relationship between cannabidiol (CBD) and anxiety, the Brazilian research team recruited 10 people with a diagnosis of Social Anxiety Disorder (SAD). They then used functional neuroimaging to gauge the amount of bloodflow in various parts of the brain, noting the effects of CBD.