tomcowanheadshot By Rebecca Risk Posted August 21, 2017 In tomcowanheadshot2017-08-212017-08-21https://dr-risk.com/wp-content/uploads/2016/03/main-logo-dr-risk-v2.pngDr. Rebecca Riskhttps://dr-risk.com/wp-content/uploads/2016/03/main-logo-dr-risk-v2.png200px200px 0 Rebecca Risk Recent PostsHappy Science with Yoichi UtebiEat to Beat Disease with Dr. William LiHeavy Metal Toxicity with Dr. Emil HaldeyCircadian Optics with Amber Leong