How you feel on the inside could be affecting how you look on the outside.
Burfeind
Daniel B
DB
D003357:Cosmetic Techniques / Q000523:psychology*; D006801:Humans; D008875:Middle Aged; D012649:Self Concept; D012871:Skin Diseases / Q000523:psychology*; D013315:Stress, Psychological / Q000150:complications* / Q000503:physiopathology