behavior

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Up to 25% of same-sex behavior linked to genes

Researchers report up to 25% of same-sex behaviors are associated with genetic variants. The study identified five new genes associated with sexual behavior. They report there is no one single gene linked to same-sex sexual behavior or orientation, but numerous genes, as well as other factors which contribute. Researchers emphasize the markers may be unreliable in predicting same-sex behavior but may influence the likelihood for specific relationship choices.... Read More...
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Prenatal parental stress linked to behavior problems in toddlers

The prenatal wellbeing of first-time mothers has a direct effect on the behavior of children at 24 months. Mothers who experienced stress and anxiety while pregnant were more likely to have children who displayed behavioral problems, such as temper tantrums, spitefulness and restlessness. The children also exhibited emotional problems, including being clingy, tearfulness and unhappiness. Emotional problems were exacerbated if their parents experienced relationship problems during early pregnancy.... Read More...