5 doctors agreed: 1  Days...: Headaches after a concussion can last several days and in more severe concussions, weeks. If you are having headaches after a head injury see your primary care physician.Other diagnoses including bleeds adjacent to the brain and the brain lining( dura) need to be ruled out .
Scott Kim, MD, PhD. Scott Kim, MD, PhD, is a Senior Investigator in the Department of Bioethics and studies research ethics, especially the ethics of involving decisionally impaired persons in research, the ethics of high-risk research, and methodological issues in empirical bioethics research.
JS, which is abbreviated for Johnson Sisters, originally consisted of Kim along with sisters Krystal and Kandy. Krystal however, left the group after marrying Phillip Bailey of R&B group Earth, Wind & Fire.