[Berlin_Freeper]

Smoking cannabis can lead to manic behaviour: Hyperactivity, aggression and delusion are all strongly linked with the drug, researchers warn
http://www.freerepublic.com/focus/news/3256704/posts?page=1

Many links in post #1:

• Teenage Cannabis Smoking ‘Permanently Lowers IQ’ 8 Points
• Study sheds light on damaging effects of marijuana among college-aged adults
• America ill-prepared for marijuana mayhem
• Longtime Marijuana Use Linked With Decreased Motivation
• Brain Changes are Associated with Casual Marijuana Use in Young Adults
• Teen pot use could hurt brain and memory, new research suggests
• Marijuana’s Harmful Effects on Child and Adolescent Mental Health

[ConservingFreedom]

“http://www.freerepublic.com/focus/news/3256704/posts?page=1 “

From the paper’s abstract:

“We were only able to identify a small number of studies of variable quality, thus our conclusions remain preliminary.” - http://www.jad-journal.com/article/S0165-0327%2814%2900570-9/abstract

From the posted news item:

“a study published this month found marijuana could be used to treat the depression that results from long term stress.”