John Broadus Watson (January 9, 1878 â September 25, 1958) was an American psychologist who established the psychological school of behaviorism. Watson promoted a change in psychology through his address Psychology as the Behaviorist Views it, which was given at Columbia University in 1913.Through his behaviorist approach, Watson conducted research on animal behavior, child rearing, and advertising.n addition, he conducted the controversial  Little Albert  experiment. He was also editor of Psychological Review from 1910 to 1915. A Review of General Psychology survey, published in 2002, ranked Watson as the 17th most cited psychologist of the 20th century.
Aflatoxin Introduction. Aflatoxin is a potent human carcinogen. It is a naturally occurring toxic metabolite produced by certain fungi (Aspergillus flavis), a mold found on food products such as corn and peanuts, peanut butter.It acts as a potent liver carcinogen in rodents (and, presumably, humans).t is a naturally occurring toxic metabolite produced by certain fungi (Aspergillus flavis), a mold found on food products such as corn and peanuts, peanut butter. It acts as a potent liver carcinogen in rodents (and, presumably, humans).
There are more than 100,000 types and species of mold, some of which are harmless, and some, which can cause serious health problems. The most common categories of mold, which can be detrimental to your health, are: 1  Allergenic Molds: These types of molds contain allergens, which can cause allergies in humans.2  People, who have asthmatic problems, and also those with weak immune systems, can be susceptible to allergies due to allergenic molds.) Stachybotrys: This type of mold is more popularly known as the black mold. It is a contaminant, which is found on wet cellulose type materials, and causes harmful effects to health of people and animals.