Articles on IQ

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Canada has done a remarkable job of reducing lead in people’s bodies. But the experience of Flint, Mich. – where children were exposed to toxic levels of lead – teaches us to remain cautious. Here, Flint citizens watch testimonies before the House Oversight and Government Reform Committee, in Washington during 2016. (AP Photo/Andrew Harnik)

From IQ to blood pressure, we should not be complacent about lead

Reduced lead exposure has made us smarter and healthier. Could changes in regulatory agencies across North America endanger this?
“Remember, remember the fifth of November”… Andy Wilkes/Flickr

From fireworks to iodine and IQ: the perchlorate connection

A chemical found in products as diverse as fireworks and food packaging, perchlorate can interfere with thyroid function as well as foetal brain development.
Your brain scan told me your mind would wander. Boy image via www.shutterstuck.com

Brain connections predict how well you can pay attention

Particular parts of an individual's brain tend to work together on certain tasks. Researchers can look at these patterns of "functional connectivity" to predict traits – like the ability to pay attention.

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