Hello everyone. Could someone please tell me if working 3 nights weekly will increase the risk of reoccurring breast cancer or if isn’t irrelevant. I was comparing with people living in Iceland and that area where is 6 month dark. Thank you
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Hi vio
During my twenties and thirties I worked shifts for 11 years at an airport. These shifts included regular cycles of 7 consecutive night shifts. Fast forward to my early sixties and I was diagnosed with 2 different cancers, one in each breast. With strong family history also and a fairly poor lifestyle (too much food, not enough exercise, bad sleep pattern), I can’t be sure if any one thing or the whole combination caused the cancers. One can never know for sure, but maybe that’s best so that you don’t beat yourself up for anything specific 
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Yeah, maybe I return to 3 nights just for short time