Hydroxycitric acid (HCA), a derivative of citric acid, is found primarily in a small, sweet, purple fruit called the Malabar tamarind or, as it is most commonly called, Garcinia cambogia.hat Is the Scientific Evidence for Hydroxycitric Acid? It remains unclear whether HCA offers any weight-loss benefits. In an 8-week double-blind, placebo-controlled trial of 60 overweight individuals, use of HCA at a dose of 440 mg 3 times daily produced significant weight loss as compared to placebo.
Reasonâs âSwiss Cheeseâ Model of Human Error One particularly appealing approach to the genesis of human error is the one proposed by James Reason (1990). Generally referred to as the âSwiss cheeseâ model of human error, Reason describes four levels of human failure, each influencing the next (Figure 1).
White Castle also used the first ever industrial strength spatula, manufactured the first mass-produced paper hat, and was the first to sell frozen fast food. White Castle has been extremely popular as a hamburger chain for as long as eating hamburgers was trendy.hite Castle was the first fast food hamburger company to ever sell not only a million burgers, but also to sell a billion burgers as well. The first White Castle was opened in 1921 with only $700 worth of borrowed money.