For nearly 20 years, Joanne Wyn has been a nail technician in Los Angeles. It's a job the 55-year-old loves, but she also says it's had a major impact on her health and that of her children. >> The birth of your second son sounds dramatically different from the first.>> Yeah. Birth is the a big one. The skin is white and the second is small one and the skin red and and some dry skin.Win says she did not work at a salon for her first pregnancy, but for her second son, born in 2006, she worked in a salon up u ...