Cholecystitis or scarring of the bile duct. The greatest risk factor for cholecystitis is gallstones. Risk factors for gallstones include female sex, increasing age, pregnancy, oral contraceptives, obesity, diabetes mellitus, ethnicity (Native North American), rapid weight loss. Gallstones blocking the flow of bile account for 90% of cases of cholecystitis (acute calculous cholecystitis). Blockage of bile flow leads to thickening and buildup of bile causing an enlarged, red, and tense gallbladder. The gallbladder is initially sterile but often becomes infected by bacteria, predominantly "E. coli", "Klebsiella", "Streptococcus", and "Clostridium" species. Inflammation can spread to the outer covering of the gallbladder and
Species affected by poaching Species affected by poaching Species affected by poaching refers both to the effects of illegal hunting and fishing or capturing of wild animals on certain species, and, in a recent usage, the illegal harvesting of wild plant species. The article provides an overview of species currently endangered or impaired by poaching in the Americas, sub-Saharan Africa, and South-East Asia. In the early 1990s, crimes against wildlife were rampant in certain parts of the United States, and poaching equaled or exceeded the number of animals hunted legally. As trophy hunting became popular, poaching activity, in particular commercial poaching, increased in the