American fertility rates, like those of most countries , have been dropping since about 1960 for many reasons related to broad social, economic, technological and demographic changes. At a White House press conference in October, Health and Human Services Secretary Kennedy told Americans that our fertility rate was a national security threat, that teenage boys are less virile than 65-year-old men, and that the root cause of the problem is endocrine disruptors. But Kennedy’s claims are not fact based: data about sperm count does not even exist for teenage boys and the scientific consensus has long been that the quality of sperm declines as men age. In short, Kennedy tried to tie one of his favorite themes, that chemicals are poisoning our youth, to an insidious right-wing conspiracy theory that dropping fertility rates are leading to a decline in American power.

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