Articles on Brain development

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Violence in communities may have an additional unseen victim: young peoples’ developing brains. Zoran Karapancev/Shutterstock.com

Living with neighborhood violence may shape teens’ brains

Experiencing and witnessing violence in their communities can lead to emotional, social and cognitive problems for kids. A new study shows it affects how their developing brains grow, as well.
A lone new neuron (green) in a 13-year-old’s hippocampus. Sorrells et al

Adult human brains don’t grow new neurons in hippocampus, contrary to prevailing view

The scientists behind a controversial new study were surprised by their own results. But they carefully did all they could to 'prove a negative,' and their neurogenesis study is shaking up the field.
A teen looking out of a window. Research shows that traumatic events in childhood can affect children as they mature and limit their education, which in turn can harm their health. Jan Andersen/Shutterstock.com

How childhood experiences contribute to the education-health link

Adverse childhood events can not only cause lasting psychological effects but also learning problems. That, in turn, worsens health outcomes, as literacy is an integral part of health care.
A 2015 study from the Canadian Centre on Substance Abuse describes youth perceiving marijuana as “relatively harmless” and “not as dangerous as drinking and driving.” (Unsplash/Conor Limkbocker)

Marijuana at school: Loss of concentration, risk of psychosis

Provincial policies to implement the legal consumption of marijuana are unlikely to protect children and youth. High school teachers and parents will be on the front line.
“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.
Southpaws seem to be more common among cats and dogs than humans. Eric Isselee/Shutterstock.com

I’ve always wondered: can animals be left- and right-pawed?

The animal kingdom is full of lefties and righties, although rarely is the ratio skewed as much as it is in humans. If you're wondering about your own pet, you can find out with a simple experiment.
The fatty acid DHA is crucial for fetal brain development in the last trimester of pregnancy. from www.shutterstock.com

You can’t rely on fish oil supplements in pregnancy to make your children smarter

Fish oil capsules are marketed as prenatal supplements to improve brain development in children. But now top quality evidence suggests they won't make any difference in women eating a balanced diet.
How does music training in early childhood help the developing brain? woodleywonderworks

Music training speeds up brain development in children

Several brain regions engage in an amazing symphony to produce music. What then are the benefits of music training on a child?

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