Summary: <a href="https://www.biblegateway.com/passage/?search=1+John+4%3A18&version=ESV" target="_blank" rel="noopener">1 John 4:18</a> says that "perfect love casts out fear." But many earnest believers still struggle with fear and anxiety. <a href="http://myfaithradio.com/authors/dr-timothy-jennings/">Dr. Timothy Jennings</a> explores the spiritual and physiological effects of this in his book <a href="https://www.amazon.com/God-Shaped-Brain-Changing-Your-Transforms/dp/0830844953/ref=sr_1_1?keywords=the+god-shaped+brain&qid=1556130080&s=gateway&sr=8-1" target="_blank" rel="noopener">The God-Shaped Brain: How Changing Your View of God Transforms Your Life.</a>
