The $38 billion cannabis industry is booming, but one neuroscientist is warning that today’s marijuana may carry deadly risks, especially for young people. Dr. Kristen Gilliland, a Vanderbilt researcher and mother who lost her 22-year-old son Anders to an overdose, says his struggles began with marijuana use at age 14, which she believes triggered cannabis-induced psychosis and later addiction. Now, Gilliland is using her expertise and personal tragedy to raise awareness about the dangers of ado