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# cognitive development

All time

# Growing Up

Does sending a kid to childcare or caring for them at home make any difference to their development?

The question has been addressed in a new ESRI study.

20.0k

Dec 3rd 2015, 8:20 AM

# IQ

Adding iodine to salt is making Americans smarter

Iodine deficiency is known to impair the brain’s development. Ever since the introduction of iodised salt in 1924, IQs have risen by about 3 points every decade.

11.8k

Aug 5th 2013, 6:30 PM