Wang, 2001 (Average IQ of 76-81)
Source: http://www.fluoridealert.org/wp-content/uploads/wang-2001.pdf
Shandong province, China.

Hong, 2001 (Average IQ of 65-82)
Source: http://www.fluoridealert.org/wp-content/uploads/hong-2001.pdf
Shandong province, China.

Li, 1995 (Average IQ of 79-89)
Source: http://www.fluoridealert.org/wp-content/uploads/li-1995.pdf
Guizhou province, China.

Yang, 1994 (Average IQ of 76,81)
Source: http://www.fluoridealert.org/wp-content/uploads/yang-1994.pdf
Jinan, China.

An, 1992 (Average IQ of 76,84)
Source: http://www.fluoridealert.org/wp-content/uploads/an-1992.pdf
Guyang county, inner Mongolia.

Guo, 1991 (Average IQ of 76,81)
Source: http://www.fluoridealert.org/wp-content/uploads/guo-1991.pdf
Hunan province, China.

Fan, 2007 (Average IQ of 96, 98)
http://www.fluoridealert.org/wp-content/uploads/fan-2007.pdf
Pucheng County, Shaanxi Province, China

Li, 2003 (Average IQ of 92)
http://www.fluorideresearch.org/412/files/FJ2008_v41_n2_p161-164.pdf
Baotou, Inner Mongolia, China

Zhang, 1998 (Average IQ of 80,85,87)
http://www.fluoridealert.org/wp-content/uploads/zhang-1998.pdf
Kuitun region, Urumqi, China

Yao, 1997 (Average IQ of 92-100)
http: // www.fluoridealert.org/wp-content/uploads/yao-1997.pdf
Chaoyang City, Liaoning Province, China

Yao, 1996 (Average IQ of 92-98)
http://www.fluoridealert.org/wp-content/uploads/yao-1996.pdf
Chaoyang City, Liaoning Province, China

Duan, 1995 (Average IQ of 71-99)
http://www.fluoridealert.org/wp-content/uploads/duan-1995.pdf
Guiyang, Guizhou Province, China

Xu, 1994 (Average IQ of 69-83)
http://www.fluoridealert.org/wp-content/uploads/xu-1994.pdf
Shandong Province, China

Sun, 1991 (Average IQ of 69-85)
http://www.fluoridealert.org/wp-content/uploads/sun-1991.pdf
Guizhou Province, China

Ren, 1989 (Average IQ of 75-85 appx. )
http://www.fluoridealert.org/wp-content/uploads/ren-1989.pdf
Shandong Province, China

Lin, 1991 (Average IQ of 71, 77, 79, 96)
http: // www.fluoridealert.org/wp-content/uploads/lin-1991.pdf
Hetian prefecture, Xinjiang, China

14 more IQ studies showing low average IQ on China:-

Qian, 2009 (14 IQ studies showing 81-90 average IQ)

http://000do4q.myregisteredwp.com/wp-content/uploads/sites/1836/2016/05/china-iodine-study.pdf
Overall IQ result:- lodine sufficient (optimum conditions):-84.7, 86.9, 87.2, 75.1, 75.1, 88.34, 85.15, 86.9, 88.65, 90.89, 87.56, 87.31, 97.8, 81.44