Night light breast cancer

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Some studies show women who routinely work night shifts for many years have a small increased risk of breast cancer [ ]. One possible reason for the increased risk among these workers is their exposure to light at night. Melatonin is a hormone in the body that helps control the sleep cycle. During the night, the body makes melatonin and exposure to light at night disrupts this process. Findings on melatonin levels in the body and breast cancer risk are mixed [ ]. However, some findings suggest women with lower levels of melatonin may have a higher risk of breast cancer than women with higher levels [ ].
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Buildings light up pink for breast cancer

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Light from street lamps 'linked to 10% higher risk of breast cancer', experts warn

Night shift work does not increase the risk of breast cancer, finds a UK study covering analysis of , women over 10 years. The Breast Cancer Now Generations study is the latest to examine the supposed link presented by experts for decades. However, the agency is due to review its findings this summer. Breast Cancer Now claims the latest research, which it funded, is the most comprehensive to date.
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Study: Nighttime LED light increases risk of cancer

Background: Night shift work involving circadian disruption has been associated with increased breast cancer rates in some epidemiological studies, but the evidence is still on debate. Aim of the study: The objective of this study is to assess the association between night shift work and breast cancer in Mexican women. Cases were interviewed about past exposures prior to the final diagnosis. Controls were women without breast cancer matched on multiple sociodemographic characteristics. Results: cases and matched controls were interviewed; this small sample size provided consistent, but wide estimates of the assessed associations.
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Several landmark buildings in the UK were lit up pink last week to promote Breast Cancer Campaign's 'Wear it pink' day. Blackpool Tower, Coventry Cathedral and London's MI6 building were among iconic structures lit up with pink lights on Wednesday October 23 to promote 'Wear it pink' day the following Friday, which saw thousands of people across the UK wear an item of pink clothing to raise money for the charity. Participants ranged from breast cancer survivors and their families to scientists and researchers.
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