Ryan is a 13-year-old male who has just entered puberty. Which change can Ryan expect during this stage of his life?

During puberty, changes in the brain and social development can make adolescents more likely to seek novelty and take risks, so an increase in high-risk behaviors is expected. Body hair typically becomes thicker or more noticeable, not thinner. Sleep patterns often shift later rather than becoming more restful, and the voice deepens rather than losing vocal ability.

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