An analysis of variability within individuals was conducted for FEV1, obtained from subjects employed in the cottonseed industry. Individual SDs ranged from .020 to .428 L. The within-subject SD of the preshift-postshift difference ranged from .014 to .302 L. When within-subject variability of FEV1 was analyzed in relation to symptoms, smoking history, and shift, the only statistical difference...

A study was made of 93 women and I3 men employed in the spinning department of a factory in Yugoslavia processing soft hemp (Cannabis sativa). There were seven occupational groups, with average concentrations of total airborne hemp dust ranging from 2 9 mg./m.3 to more than I9 5 mg./m.3. Thirtyeight women and I I men, employed in other departments of the factory with average total dust concentr...

Data presented in this study support the finding that cotton and flax dusts contain agents which potentiate the formation or accumulation of histamine or both in the lungs of guinea pigs exposed to dust, and that such agents are present at much higher levels in cotton dust than in flax dust. The potentiating effect may be through the recruitment of mast cells into the lung. Both cotton and flax...

T here is a provision in each state Workers’ Compensation law that should be designated as the “catch22” section. It is the provision which imposes on the claimant the burden of proving that his disability arose out of his employment. Offhand, this seems a reasonable requirement. Surely a worker whose disability was not caused by conditions on the job should not receive worker compensation bene...