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.
Infections and head injuries can also cause you to feel off balance. Medications to treat these conditions and other medical conditions often have a side effect of drowsiness or dizziness. It is important to talk with your doctor or pharmacist to find out what effect your medication may have on your balance.