What supplements are you taking ?

You need to consider whether there is a structural reason for your headaches. Many have found improvement when their upper neck is resolved. One indicator is tenderness to touch at the bony places behind the ears. This tenderness usually indicates muscle spasms radiating from the neck. Regular icing can be helpful.

Looking forward, you need to try to accept that your life has been changed by your concussions. Minor changes to how you live your life will allow you to live a full life. Many have found the balance between continuing with life and reducing the risk of the roller coaster ride.

Find ways to reduce risk and stress. Try to not focus on what-ifs of the future. That induces anxiety. Live today and move forward with moderation.

BTW, Cognitive rest is only suggested for 2 to 3 days post impact. After that, mild, low stress activity and stimulation is best. The brain needs good blood flow.