Physical activity leads to well-established health benefits. Current efforts to enhance
physical activity have targeted mainly socioeconomic factors. However, despite these efforts …

For some, biology explains all there is to know about the mind. Yet many big questions
remain: Is the mind shaped by genes or the environment? If mental traits are the result of …

The expression of the two isoforms of monoamine oxidase (MAO A and MAO B) is often
inferred from proxy measures such as mRNA transcript levels or catalytic activity. Yet the …

Youth externalizing behaviours are serious public health concerns, with significant negative
outcomes. These disruptive behaviours exhibit high heritability, with putative influences from …

Major psychiatric disorders are highly heritable. Nevertheless, more than three decades of
candidate gene studies and genome-wide association studies have yielded few, if any …