Yahoo Scout has published a list of seven stressors that may be causing your brain fog, including mold, air purifier, and household lighting. These stressors are often overlooked by diet, exercise, and lifestyle changes. The article suggests that your home environment is an active signal to your biology, which can lead to chronic stress and exhaustion. The bedroom is the most critical area to address, as it prevents the body from reaching the deep, restorative stages of sleep necessary for mental clarity. Molding can cause symptoms to improve, as mold releases mycotoxins that act as a low-level stressor on the immune system. WiFi routers, smart devices, and cell phones constantly emit electromagnetic fields, which interferes with the body's natural electrical signals. The author suggests that removing scented candles and plug-ins can mask the smell of chemicals.