MJNA's Investment Company AXIM Biotech Announces Clinical Trial Launch of MedChew RX for Treatment of Pain and Spasticity in Multiple Sclerosis and Development of Pharmaceutical Cannabis Chewing Gum SAN DIEGO, Aug. 13, 2015 (GLOBE NEWSWIRE) -- Medical Marijuana, Inc. (OTC Pink:MJNA) is an agricultural hemp industry innovator that sources, evaluates, invests in and acquires value-adding companies...