Our stress response isn’t just a product of the balance between stressors and how we deal with them. It starts with our DNA. The hypothalamic-pituitary-adrenal (HPA) axis is the command center for stress, regulating cortisol, the hormone that fuels our fight-or-flight instinct. But not all HPA axes are created equal. Genes influence how much cortisol we produce and how quickly we recover. Translation: some people are wired for resilience, others for burnout. Genetic tweaks in the HPA axis don’t just influence who stays cool under pressure; they determine susceptibility to anxiety and depression. FKBP5 variants, for example, can negative influence cortisol regulation, keeping stress levels sky-high. If you feel like you stress harder than your peers, it might not be in your head - it’s in your genes. But knowledge is power. Understanding our genetic stress blueprint opens the door to personalized coping strategies. Genetic testing can reveal whether we are predisposed to prolonged stress, allowing us to tailor interventions like exercise, mindfulness, or targeted therapies, in order to work with our biology, not against it. We can’t rewrite our genetic code, but we can modulate the stress response. With the right tools and strategies, even those wired for stress can train themselves for resilience. The future of mental well-being isn’t just about therapy or medication, it’s about knowing our genetic wiring and playing the hand we were dealt like a pro. Have a great week! João Pedro Neto
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