Adolescents who started using cannabis before age 15 were at a higher risk of developing drug abuse symptoms by age 28, finds a new study (N = 1,030 boys).

Adolescents who started using cannabis before age 15 were at a higher risk of developing drug abuse symptoms by age 28, finds a new study (N = 1,030 boys).: https://ift.tt/2ATujnT Read more... https://ift.tt/2OmdAeD