Traditionally, some textbooks from the United States used a system of six kingdoms (Animalia, Plantae, Fungi, Protista, Archaea/Archaeabacteria, and Bacteria/Eubacteria) while textbooks in Great Britain, India, Australia, Latin America and other countries used five kingdoms (Animalia, Plantae, Fungi, Protista and Monera).
For other uses, see Placebo (disambiguation) and Placebo effect (disambiguation). The placebo effect can be produced by inert tablets, by sham surgery, and by false information, such as when electrical stimulation is turned off in those with Parkinson's disease implanted brain electrodes.
What causes bulimia? Bulimia is more than just a problem with food. A binge can be triggered by dieting, stress, or uncomfortable emotions, such as anger or sadness. Purging and other actions to prevent weight gain are ways for people with bulimia to feel more in control of their lives and ease stress and anxiety.