Low levels of marijuana use — as few as one or two times — may change the teen brain, according to a new study. The study , which looked at the brains of 46 year-old girls and boys from Ireland, England, France and Germany, found that teenagers who reported using recreational marijuana just once or twice displayed increased volume on MRI images in numerous brain regions involved in emotion-related processing, learning and forming memories. The results of the study were published Monday in the Journal of Neuroscience. The study did not say what the increased brain matter volume means, but the researchers noted that the enlargement of gray matter contradicts normal adolescent development. Another possibility is that the cannabis use has led to a growth in neurons and in the connections between them.
2018 NPC Teen Collegiate & Masters National Championships
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What a new study reveals about selfies and teenage body image
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From Facebook and Twitter, to Instagram and Snapchat, it's no secret social media has become a common form of communication, but have you ever left your feeds feeling bad about yourself? If so, you're not alone, according to a new study conducted by Ilyssa Salomon, doctoral student, and Christia Spears Brown, professor of psychology, at the University of Kentucky. Social media presents a unique set of challenges for those who are feeling vulnerable. Teenagers are the first generation that cannot imagine life without the internet. Some of that interaction can be positive, allowing teens to find a sense of belonging, but less known is the negative impact of social media on body image.