Keri Folmar addresses the issue of anxiety, particularly among college students. She shares practical tips to fight anxiety: 1) Know your God by spending time in His Word; 2) Take your troubles to the Lord in prayer; 3) Give thanks, even in the midst of difficulties; and 4) Surround yourself with people who can remind you to trust God. She emphasizes the importance of rooting oneself in God's sovereignty, love, and the truth of Scripture to overcome anxious thoughts.