Breastfeeding May Boost Child IQ By Increasing Subcortical Grey Matter

While many the medical benefits of breastfeeding such as improved immune function have been clearly established, its effect on child behavior and cognition has somewhat more difficult to determine.  This has been due to a variety of reasons.  Because randomization is not possible for breastfeeding studies, researchers have had to rely on naturalistic study designs.  […]

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Genetics Largely Underlies Intelligence to School Acheivement Link

While the genetic influence on intelligence has been well studied, less is known about school achievement and the genetic/environmental links between intelligence and school achievement. Previous work has also struggled with potential measurement and sampling bias.  This study used national data from large Dutch and English samples to address some of these concerns. The total […]

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Adolescent Cannabis Use and Decreased IQ

Living somewhere between the worlds of science and politics has been the longstanding debate regarding the negative effects of cannabis abuse.  While there have been some studies linking its use to lower IQ, most have not assessed IQ prior to the onset of substance use. A recent study published in PNAS will likely spark more […]

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