A study from The University of Queensland in Australia suggests that using marijuana into your 30s can negatively affect key life areas. The research, which followed over 8,000 mothers and 2,000 children, found that continued cannabis use after age 30 was linked to lower success in areas such as education, career, income, homeownership, relationshipsand happiness. Prolonged use can impair cognitive functions, hinder financial stability, and strain relationships…