AMY WHINE HOUSE SUFERRING SKIN DISEASE

What's up with those blows on Vocalist Amy Winehouse's face? The singer has been diagnosed with Impetigo a bacterial skin infection that causes pimple-like lumps – and is "is highly contagious, and scratching or touching the sores is likely to spread the infection to other parts of the body as well as to other people," according to the Mayo Clinic's Web site.Can these be due to
a kitten or pupp or it can be due to drugs which celebs are prone to nowadays to relieve stress ?