seek emergency attention if you exhibits the following signs or symptoms after a head injury, which could signal a concussion: Persistent or worsening headache Imbalance Vomiting Memory loss or confusion Mood changes, such as irritability. Your age is 60. watch your symptoms carefully. even if your head injury appears to be less severe, and your symptoms are mild, it may be possible that you have had significant damage to the brain or its surrounding structures. you may suffer with mild head injury . prognosis is usually very good. Although some people experience post-concussion syndrome, this typically goes away after about three months. In most cases, there is no long-term damage, although improvement may be gradual. Hope I answered your questions in a simple way. if u have any further questions I will be here to help you. take care of your health.