Q and A: about health and research

How modern stress, hormones, and brain chemistry interact High anxiety is more than “feeling stressed.” It is a whole-body condition involving the brain, hormones, and nervous system. In today’s always-connected world, information overload , combined with shifts in dopamine and cortisol , can push anxiety from manageable to overwhelming—especially when underlying hormone imbalances are present. This article explains how anxiety shows up, why information overload worsens it, and how dopamine and cortisol drive the cycle. What High Anxiety Feels Like High anxiety often affects mind, body, and behavior at the same time , disrupting daily life and pushing people toward avoidance, overthinking, or perfectionism. Mental & Emotional Symptoms Excessive, uncontrollable worry about everyday situations Feeling constantly “on edge,” tense, or restless Irritability, emotional sensitivity, or tearfulness Difficulty concentrating or “mind going blank” A sense of impending danger, panic, or doom ...

  Weight Gain and Resistant Hypertension: Causes and Connections to Cortisol Levels Low ACTH and high cortisol levels often point to Cushing’s syndrome caused by adrenal overproduction, where excess cortisol suppresses ACTH through negative feedback. A similar pattern can also result from long-term corticosteroid use, which reduces ACTH production while maintaining high cortisol levels.  Elevated cortisol, the hallmark of Cushing’s syndrome, can significantly impact the brain, leading to mood changes, cognitive difficulties, and emotional distress. These effects stem both from cortisol’s direct impact on brain function and the psychological strain of managing a chronic illness. Depression , anxiety, irritability, and rapid mood swings are among the most common psychological manifestations, with some individuals experiencing severe outcomes such as manic episodes, hallucinations, or psychosis.  Cognitive functions are also frequently impaired—many patients report memory ...