Good question. I really don't think we can "overcome" it. Rather I think we must address this as a real fear, a legitimate fear & then deal with it from there. If you are diagnosed with cancer, you have a justifiable fear of dying. Yet you don't want to let that fear dominate you, but you want to seek treatment, fight with all you have, love your family more, do your bucket list, etc. You cannot choose whether you fear or not, but you can choose whether to let it dominate your life.
Ryan