Vegans are an ‘at risk’ group for Iodine deficiency

Published in the British Journal of Nutrition (1998), 80:529-535

Iodine intake and iodine deficiency in vegans as assessed by the duplicate-portion technique and urinary iodine excretion
Helen J. Lightowlera1 c1 and G. Jill Daviesa1
a1 Nutrition Research Centre, School of Applied Science, South Bank University, 103 Borough Road, London SE1 0AA, UK

This study can be accessed at: http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=882768

Lightowlera concludes: "The findings highlight that vegans are an ‘at risk’ group for Iodine deficiency....... The Iodine status of vegans and the subclinical effects of low Iodine intakes on thyroid function in this group should be further studied".

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Pregnant vegan mothers put their unborn child's health in danger

Published in the J Pediatr Endocrinol Metab. 2003 Jan;16(1):111-3.

Transient neonatal hypothyroidism due to a maternal vegan diet.
Shaikh MG, Anderson JM, Hall SK, Jackson MA.
New Cross Hospital, Wolverhampton, Birmingham Children 's Hospital, UK.

This paper can be accessed at: http://www.ncbi.nlm.nih.gov/pubmed/12585349
 
The study report a 10 day-old infant with a goitre whose mother also had a goitre. The mother was a vegan and, on dietary assessment, her iodine intake was extremely low. Both mother and infant had abnormal thyroid function tests.
 
Adhering to a vegan diet, in the case of pregnant mothers, puts their unborn child's health in danger.

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