(CNN) — Are you using — or considering using — marijuana to help with anxiety, pain, muscle spasms, nausea during pregnancy, poor sleep and more? You may be surprised to discover there is little quality evidence on the benefits of marijuana, according to a new analysis of more than 100 clinical trials and meta-analyses. “After applying very strict quantitative criteria, and … [Read more...] about How marijuana impacts pain, sleep, anxiety and more, according to the latest science