Board certified, practicing medical professionals are generally good sources of reliable health information, but sometimes they may choose to write about topics outside of their formal training. Likewise, because medicine is a dynamic field that always progresses, even sources that were qualified as authoritative when they were published can provide erroneous information, in light of more modern knowledge. More subtle types of questionable health information sources include materials published or commissioned by for-profit business entities, including those run by qualified health professional, in that the information they choose to publish might be perfectly accurate, but presented out of context or in the absence of equally relevant information to the contrary, such as about risks and contraindications not mentioned.

Ultimately, it is the responsibility of the consumer or student of health sciences to confirm the published credentials of authors, to double check any information...

(2004). Nuclear Terrorism: The Ultimate Preventable Catastrophe.
New York: Times Books.

Dershowitz, a. (2002) Shouting Fire: Civil Liberties in a Turbulent Age.

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Grelsamer, R. (2002). What Your Doctor May Not Tell You About Knee Pain and Surgery. New York: Warner Books.

Henderson, J. (1955) the Complete Book of First Aid. New York: Bantam Books.

Jackowski, E. (1995). Hold it! You're Exercising Wrong. New York: Simon & Schuster