Computer scientist Karl Ricanek and public health professor Jay Olshansky
The loss of elasticity thins the jawbone, narrowing the chin and causes the chin to droop.
Forehead lines appear when one tries to hold the brows and eyelids up to counteract these changes.
Crows feet are wrinkles at the corner of the eyes that appear after years of squinting, laughing, and smiling.
The muscles of the face, called “laugh lines”, are attached to the skin along the nasolabial line.
Last updated 4 years ago