How often is it recommended to stretch?
question 2 options:

2 times a day, morning and night

once a week

once a month

after every workout

AFter every workout                          

light rays enter the eye through the cornea, the clear front first understand how the eye enables us to see, and what role the cornea plays in eye at different angles, and do not focus on one point the retina, but on many we can tolerate very large scars on our bodies with no concern except for our vanity.