Original sentence: Although horse racing is hazardous, veterinary science has advanced.On the other hand, advocates of racing have argued that without horse racing, far less funding and incentives would be available for medical and biomechanical research on horses.Previously hopeless cases can now be treated, and earlier detection through advanced imaging techniques like scintigraphy can keep at-risk horses off the track.Sometimes when racing accidents have severely injured a well-known horse such as Kentucky Derby winner Barbaro, who broke his leg during the 2006 Preakness Stakes, animal rights groups have denounced the Thoroughbred racing industry
Edited sentence: On the other side, advocates of racing argue that without horse racing, there would be far less funding and incentives to pursue medical and biomechanical research on horses.Whenever a racing accident severely injures a well-known horse, such as the case of Kentucky Derby winner Barbaro breaking his leg during the 2006 Preakness Stakes, animal rights groups  target the Thoroughbred racing industry.While horse racing is hazardous, veterinary science is also developing, so that previously hopeless cases can now be treated, and earlier detection through advanced imaging techniques like scintigraphy can keep at-risk horses off the track