Byssinosis not brown. Brown lung can ultimately result in narrowing of the airways, lung scarring and death from infection or respiratory failure. Patient history should reveal exposure to cotton, flax, hemp, or jute dust. Diagnostic tests include a lung function test and a chest x ray or CT scan. Measurable change in lung function before and after working shifts is key to diagnosis. Patients suffering from byssinosis show a significant drop in FEV1 over the course of work shift. Chest radiographs show areas of opacity due to fibrosis of the pulmonary parenchyma. Affected workers should be offered alternative employment. Continued exposure
Person-affecting view existing in the future than has ever existed). Person-affecting views are also important in considering human population control. A weaker form of person-affecting views states that an act can only be bad if it is bad for some existing or future person. Person-affecting views can be seen as a revision of total utilitarianism in which the "scope of the aggregation" is changed from all individuals who would exist to a subset of those individuals (namely those individuals who already exist). Some philosophers who have discussed person-affecting views include Derek Parfit, John Broome, Larry Temkin, Tatjana Višak, Gustaf Arrhenius, Nick Beckstead,