There is an important letter in the Lancet
Lazarus and Smyth 2008 Lancet Iodine deficiency in the UK and Ireland p 88
which is a reminder of the need for added iodine in our diets. The principle source is added iodine to salt but this practice is now rarely used.
50% of pregnant women in North East England, Wales and Scotland are at risk of iodine deficiency. . This is something we should be aware of.
- Martin Eastwood