most+harmful
111Ultraviolet — UV redirects here. For other uses, see UV (disambiguation). UVB redirects here. For the mysterious shortwave radio station in Russia, see UVB 76. For other uses, see Ultraviolet (disambiguation). False color image of the Sun s corona as seen in… …
112Cyanotoxin — Green scum produced by and containing cyanobacteria, washed up on a rock in California during an algal bloom Cyanotoxins are toxins produced by bacteria called cyanobacteria (also known as blue green algae). Cyanobacteria are found almost… …
113Gut flora — Escherichia coli, one of the many species of bacteria present in the human gut Gut flora consists of microorganisms that live in the digestive tracts of animals and is the largest reservoir of human flora. In this context, gut is synonymous with… …
114pollution — /peuh looh sheuhn/, n. 1. the act of polluting or the state of being polluted. 2. the introduction of harmful substances or products into the environment: air pollution. [1350 1400; ME pollucioun ( < OF) < LL pollution , s. of pollutio… …
115drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… …
116Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… …
117Health and Disease — ▪ 2009 Introduction Food and Drug Safety. In 2008 the contamination of infant formula and related dairy products with melamine in China led to widespread health problems in children, including urinary problems and possible renal tube… …
118Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
119Mutation — For other uses, see Mutation (disambiguation). Part of the Biology series on Evolution …
120Spider bite — redirects here. For The Spider Bite urban legend, see The Spider Bite. Spider bite Classification and external resources Chelicerae of a black wishbone (nemesiid) spider, a mygalomorph …
