Indeed, stress can't be completely eliminated... but at least build an environment where risky situations are reduced as much as possible. So that when stress or anxiety shows up you can take notice and react. Otherwise you'll be creating vicious circles.

Still very early days on this topic, clearly more studies are required. Still this one is interesting and indicates are clear link between code review anxiety and code review avoidance. If you're often procrastinating or rubber stamping code reviews, a workshop to reduce biases and showing you can manage your anxiety could improve things greatly.