As we gain deeper insight into the metabolic pathways that turn food and air into the electrochemical miracle of the human body, we also learn ways to maximize our physiological potential. That insight becomes particularly relevant amid a global pandemic and the widespread prevalence of chronic disease. The torrent of stress we encounter each day can trigger a low-grade fight-or-flight response via the sympathetic nervous system and leave us increasingly fragile. Fortunately, we can also find ways to use certain kinds of stress to strengthen ourselves. Antifragility is a term coined by economist Nassim Taleb to describe a state that is the opposite of fragility. Antifragility describes how stress makes you stronger rather than breaking you down. Siim Land’s latest book, “Stronger by Stress: Adapt to Beneficial Stressors to Improve Your Health and Strengthen the Body,” which came out in July 2020, reviews the really important concepts of hormesis and …