Diagnosis: Champion - DVD

Will Smith stars in a dramatic thriller based on the incredible true story of Dr Bennet Omalu, a brilliant forensic neuropathologist who was the first to discover Chronic Traumatic Encephalopathy (CTE), a sports-related injury, in a professional American football player. In a David-and-Goliath battle, he fights to bring his discovery to public attention. During this emotionally charged and dangerous struggle, he is forced to take on one of the most powerful – and most loved – institutions in the world.