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Symptoms vary depending on genetics, exposure type, and duration, but here are some of the most common patterns I see in practice: Neurological and cognitive: Brain fog, memory loss, difficulty concentrating Headaches, dizziness, electric shock sensations Anxiety, panic attacks, depression, sleep disturbances Respiratory and sinus: Chronic congestion or postnasal drip Shortness of breath, cough, or asthma-like symptoms Frequent sinus infections or pressure headaches Immune and inflammatory: Heightened sensitivity to chemicals, smells, or supplements Recurrent infections or prolonged flu-like malaise New-onset food sensitivities or histamine reactions Musculoskeletal and energy: Unrelenting fatigue, muscle weakness, or body aches POTS-like symptoms (dizziness, rapid heart rate on standing) Exercise intolerance or post-exertional crashes Hormonal and metabolic: Irregular menstrual cycles or early menopause Thyroid or adrenal dysfunction Unexplained weight changes, blood sugar swings, or temperature dysregulation Dermatologic and allergic: Hives, rashes, eczema, or skin sensitivity Static shocks, tingling, or numbness in limbs And perhaps the biggest red flag of all: you feel better when you leave your environment

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Yadav AK, Desai PR, Rai MN, Kaur R, Ganesan K, et al

This proves particularly valuable for inflammatory conditions or post-workout recovery