Hey! My job consists of shift work. I currently work nights. 
I did that once when I worked at Walmart
Yeah, I actually didn't know that women who work shift work have a higher chance for breast cancer. 
Is that true?  Wow!  How did they figure that out
I'm not entirely sure since there are so many contributors to breast cancer. I'm sure it has to do with epidemiology. 
You think Night work increases Stress and that may exacerbate cancer indicators?
a circadian rhythm sleep disorder characterized by insomnia, excessive sleepiness, or both. Shift work is considered essential for the diagnosis. The risk of diabetes mellitus type 2 is increased in shift workers, especially men. People working rotating shifts are more vulnerable than others.
Women whose work involves night shifts have a 48% increased risk of developing breast cancer. This may be due to alterations in circadian rhythm: melatonin, a known tumor suppressor, is generally produced at night and late shifts may disrupt its production. The WHO
in Borrowed Shoes” and 'Battle Scar' never sounded better but 'Diamonds, Diamonds', you couldn’t have made it sound any worse. He just didn't know how to lay back and be a real soft, sensitive bass player. It was all about this thing that he had which was absolutely incredible, so it didn’t work out. There were no hard feelings and he went on and did really well. I got a call from him one day and he goes 'Hey man I'm in