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).
Gregor Mendel was considered as the father of genetics because he was the first one to understand how DNA worked. Mendel was famous for working with pea plants.He breeded different kinds of pea plants to get certain kinds of colors of peas.regor Johann Mendel is considered as the father of genetics because of his experiments with pea plants, whereby he discovered recessive and dominant characteristics.