Oils, Gummies, Salves and Tinctures Research studies on both animals and humans have shown that CBD may help lower feelings of isolation, relieve autism symptoms, and reduce the effects of post-traumatic stress disorder (PTSD). It seems CBD can calm the brain and support the hippocampus, which is a brain area important for healthy emotion and memory. One study showed CBD could reduce social anxiety in a way comparable to (valium). Please check with your doctor because trying these products.