Kristian Doyle

A new treatment option is now available for some people living with arm and hand weakness after stroke. It is called Vivistim , and it represents a shift in how rehabilitation can be delivered. Instead of relying only on repetition and effort, Vivistim adds targeted nerve stimulation to make rehabilitation itself more effective. Traditional stroke rehabilitation focuses on practicing functional movements with a therapist. This approach remains the foundation of recovery and works best in the...

If you have had a stroke, or you care for someone who has, you have probably been told that the injury happened in minutes but recovery takes months or years. That is true. What is less often explained is why recovery can remain difficult long after the initial stroke has healed. The research in my lab focuses on that question. I am a stroke researcher and immunologist, and most of the work in my lab at the University of Arizona is aimed at understanding what happens inside the brain weeks to...

After a stroke, many survivors and families search for therapies that might support recovery beyond standard rehabilitation. Alongside physical therapy, occupational therapy, speech therapy, and secondary prevention medications, dietary supplements often enter the conversation. One supplement that receives recurring attention is  coenzyme Q10 , commonly called CoQ10. CoQ10 is widely marketed for heart health, energy, and aging. Over the past decade, it has also been studied in the context of...