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A rough estimate of this population is as follows.  In the music world, perhaps there have been 50 women who are active, well-known performers willing to disclose a diagnosis of breast cancer.  In the television and movie industry, perhaps there are 450 who fall into that category.  The total population from which the above names are drawn is perhaps 500, depending on age.

A rough estimate of this population is as follows.  In the music world, perhaps there have been 50 women who are active, well-known performers willing to disclose a diagnosis of breast cancer.  In the television and movie industry, perhaps there are 450 who fall into that category.  The total population from which the above names are drawn is perhaps 500, depending on age.

The list of breast cancers above will grow, but already it is plainly way above the expected occurrence of the disease.  For example, there are likely no more than 500 [[Hollywood]] performers under age 30 who would publicly disclose a condition of breast cancer{{fact}}, yet 3 developed breast cancer.  But The typical incidence of that disease is only 2 out of 5000.  The incidence in [[Hollywood]] appears to be more than 10 times that of the general population.  If the population from which the above sample is drawn is twice as high, the incidence in [[Hollywood]] would still be more than 5 times the rate in the general population.

The list of breast cancers above will grow, but already it is plainly way above the expected occurrence of the disease.  For example, there are likely no more than 500 [[Hollywood]] performers under age 30 who would publicly disclose a condition of breast cancer{{fact}}, yet 2 developed breast cancer.  But The typical incidence of that disease is only 2 out of 5000.  The incidence in [[Hollywood]] appears to be more than 10 times that of the general population.  If the population from which the above sample is drawn is twice as high, the incidence in [[Hollywood]] would still be more than 5 times the rate in the general population.

There are likely no more than 1000 in the population of [[Hollywood]] types under age 35 who would have to publicly disclose breast cancer.  The list above includes 8 cases (and growing) since 1979.  The expected rate is that only 1.6 out of 1000 women will develop breast cancer by age 35.   

There are likely no more than 1000 in the population of [[Hollywood]] types under age 35 who would have to publicly disclose breast cancer.  The list above includes 8 cases (and growing) since 1979.  The expected rate is that only 1.6 out of 1000 women will develop breast cancer by age 35.