11.13 Nutrition
Colom, R., Lluis-Font, J., & Andres-Pueyo, A (2005). The generational intelligence gains are caused by decreasing variance in the lower half of the distribution: Supporting evidence for the nutrition hypothesis.  Intelligence, 33 (1), 83-91.
Lynn, R. (1982). IQ in Japan and the United States shows a growing disparity. Nature, 306, 291−292.
Lynn, R. (1989). A nutrition theory of the secular increase in intelligence: Positive correlations between height, head size, and IQ. British Journal of Educational Psychology, 59, 372−377.
Lynn, R. (1990). The role of nutrition in secular increases in intelligence. Personality and Individual Differences, 11, 273−285.
Lynn, R. (1998). In support of the nutrition theory. In Ulric Neisser (Ed.), The rising curve: Long- term gains in IQ and related measures (pp. 207−218). Washington DC: American Psychological Association.
Lynn, R. (2009). Fluid intelligence but not vocabulary has increased in Britain, 1979–2008. Intelligence, 2009, 249−255.
Lynn, R., & Hampson, S. (1986). The rise of national intelligence: Evidence from Britain, Japan and the U.S.A. Personality and Individual Difference, 7, 23−32.
Lynn, R. (2009). What has caused the Flynn effect? Secular increases in the Development Quotients of infants. Intelligence,37(1),16-24