Many aspects of haemopoiesis in lead poisoning remain obscure. When industrial plumbism was common the haemolytic action of lead was frequently described (Aub, Fairhall, Minot, and Reznikoff, 1925), although there were atypical features. The erythrocytes were somewhat deficient in haemoglobin, and faecal urobilinogen was not increased. Lead poisoning also differs from true haemolytic anaemia in...

Thecolica Pictonum or colic of Poitou, under these and many other names, was a frequent, widespread, and deadly disease from Roman times until the eighteenth century. Its unique pathognomonic, notably a severe colic succeeded by paralysis and other central nervous system dysfunction, makes it possible to identify the disease with certainty as chronic lead disease, usually caused by the ingestio...

Exposure to toxic metals remains a widespread occupational and environmental problem in world. There have been a number of reports in the recent past suggesting an incidence of childhood lead poisoning and chronic arsenic poisoning due to contaminated drinking water in many areas of West Bengal in India and Bangladesh has become a national calamity. Low level metal exposure in humans is caused ...

POrrERY MANUFACTURE became the staple industry of North Staffordshire at the end of the seventeenth century. At that time it produced coarse mottled and mostly salt-glazed jugs, butter pots and similar domestic articles together with a very limited output of 'ornamental ware' (Plot 1686, Thomas 1971). The main occupational risk in those days was from lead poisoning, caused by painting vessels w...

Armand Gautier, Cornil and Babes, and Bordas show that microbes of different species follow each other in a regular manner in the complex phenomena of putrefaction, and their action is followed in each case bj^ the evolution of gases having various smells. These gases are perceived by the insects which infest corpses often at immense distances. So delicate is their sense of smell that they are ...

New information indicates that toxocariasis is the most common human parasitic worm infection in the United States, affecting millions of Americans living in poverty. The infection is also highly prevalent in many developing countries and its global importance may be greatly underestimated. Toxocariasis results from zoonotic transmission of the roundworms, Toxocara canis and T. cati from dogs a...