27750882 PubMed - in process. Conclusion In summary our results showed an increased and statistically significant risk for bladder cancer among hairdressers in particular for hairdressers in jobs held 10 years.
Can Bladder Cancer Be Prevented
Data for other anatomic sites showed increases of smaller magnitude.
Hairdressers bladder cancer risk. Bladder cancer risk is 30-35 higher in hairdressers compared with the general public meta-analyses have shown. Increased and statistically signicant risk for bladder cancer among hairdressers in particular for hairdressers in jobs held 10 yearsResidualconfoundingbysmoking cannot be totally ruled out. However it remains unclear whether this is limited to hairdressers working before some carcinogenic chemicals were banned from hair dyes in the 1970s.
Most studies of people exposed to hair dyes at work such as hairdressers and barbers have found a small but fairly consistent increased risk of bladder cancer. No authors listed A significantly increased risk of bladder cancer has been found among hairdressers particularly when they have been in the job for ten years or more. Data for other anatomic sites showed increases of smaller magnitude.
1 9 29 30 31 32 33 34 35 36 37 38 Based on these and other data the International Agency for Research on Cancer IARC classified employment as a hairdresser or barber as involving occupational exposures as Group 2A. This is distinct from domestic personal hair dye use. Carcinogenic Aromatic Amines and Hair Dyes.
In a metaanalysis of 42 studies a statistically significant increased risk for bladder cancer was found among hairdressers specifically those who had held the job for more than 10 years 52. Risk of bladder cancer from work as a hairdresser or barber is likely to fall substantially below this threshold. Residual confounding by smoking cannot be totally ruled out.
The pooled RR of occupational exposure as a hairdresser was 127 95 CI 115141 for lung cancer 152 95 confidence interval CI 111208 for larynx cancer 130 95 CI 120142 for bladder cancer and 162 95 CI 122214 for multiple myeloma. The researchers found that hairdressers indeed face an increased risk for bladder cancer. Because studies have shown that professional hairdressers have an increased risk of bladder cancer that may be due to occupational exposure to hair dye 2 6 researchers will continue to study whether personal hair dye use is related to bladder cancer risk.
Researchers are convinced that the increase risk for bladder cancer among hairdressers is due to their exposure to carcinogenic aromatic amines. An analysis of 42 bladder cancer studies in 2010 showed that hairdressers faced a risk 30 to 35 higher than the general public. They shared that this risk is even greater among hairdressers who have worked in the field for 10 years or more.
However Cancer Research UK says that because cancer. Also no consistent evidence was found to indicate a more than doubled risk of. The results restricted to those studies carried out before the ban of.
Because of the long latency times of bladder cancer it remains an open question whether hairdressers working prior to 1980 and after. However studies looking at people who have their hair dyed have not found a consistent increase in bladder cancer risk. An increased risk of bladder cancer has been observed among hairdressers and barbers in a number of cohort 2 22 23 24 25 26 27 28 and casecontrol studies.
The pooled RR of occupational exposure as a hairdresser was 127 95 CI 115-141 for lung cancer 152 95 confidence interval CI 111-208 for larynx cancer 130 95 CI 120-142 for bladder cancer and 162 95 CI 122-214 for multiple myeloma. Excess risks for cancers of the upper aerodigestive tract and lung and colo-rectal adenocarcinoma were observed. After adjustment for cigarette smoking a major risk factor for bladder cancer women who used permanent hair dyes at least once a month experienced a 21-fold risk of bladder cancer relative to non-users p for trend 004.
Also some but not all studies have suggested an increased risk of bladder cancer associated with the use of dark-colored dyes. Bladder cancer risk higher in long-serving hairdressers. Risk increased to 33 95 CI 13-84 among regular at least monthly users of 15 or more years.
Cases were recorded in male hairdressers. Other workers with an increased risk of developing bladder cancer include painters machinists printers hairdressers probably because of heavy exposure to hair dyes and truck drivers likely because of exposure to diesel fumes. Because of the long latency times of bladder cancer it remains an open question whether hairdressers working prior to 1980 and after 1980 when some.
Additionally male hairdressers working in 1960 had an increased risk for urinary bladder cancer which was highest in the 1960s with an SIR of. Cigarette smoking and workplace exposures can act together to. The results restricted to those studies carried out before the ban of two major.
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