“…He went on to describe a peculiar form of asthma in those who processed cotton, flax and hemp. He said the dust he observed in their preparation “causes workers to cough constantly.” Exposure to dust increases the prevalence of respiratory diseases such as extrinsic allergic alveolitis [ 61 , 62 ], asthma symptoms [ 63 , 64 ], chronic bronchitis [ 65 ], organic dust toxic syndrome [ 66 ], chronic obstructive pulmonary disease [ 67 , 68 ], and the incidence of cancer is increased [ 69 , 70 ].…”