What is the difference between post-concussion syndrome and posttraumatic stress disorder?

How are post-concussion syndrome and posttraumatic stress disorder (PTSD) similar and how are they different? Attorney Larry Wiedemann joins John Redmann on the Louisiana law talk show “John Redmann: Power of Attorney” to answer this question. Get more helpful law info and watch whole episodes of the show at JohnRedmannPOA.com or JRPOA.com. Source: Youtube