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Should we be observing sexual behavior? The answer to this question had a tremendous negative impact on sexuality education and research. Consider that two of the most prominent and influential sex researchers of all time Alfred Kinsey and William H. Masters each came under fire for using film as a research tool to observe human sexual behavior.

Sex education is the instruction of issues relating to human sexuality , including emotional relations and responsibilities, human sexual anatomy , sexual activity , sexual reproduction , age of consent , reproductive health , reproductive rights , safe sex , birth control and sexual abstinence. Sex education that covers all of these aspects is known as comprehensive sex education. Traditionally, the discussion of all sexual issues was considered taboo , and adolescents in many cultures were not given any information on sexual matters. Such instruction, as was given, was traditionally left to a child's parents, and often this was put off until just before their marriage.

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