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Contents. Multiple chemical sensitivity. Multiple chemical sensitivity (MCS) is an unrecognized and controversial diagnosis characterized by chronic symptoms attributed to exposure to low levels of commonly used chemicals. [ 1 ][ 2 ] Symptoms are typically vague and non-specific. They may include fatigue, headaches, nausea, and dizziness.
Effects of stress on memory. The effects of stress on memory include interference with a person's capacity to encode memory and the ability to retrieve information. [1][2] Stimuli, like stress, improved memory when it was related to learning the subject. [3] During times of stress, the body reacts by secreting stress hormones into the bloodstream.
Electromagnetic hypersensitivity (EHS) is a claimed sensitivity to electromagnetic fields, to which adverse symptoms are attributed. EHS has no scientific basis and is not a recognized medical diagnosis, although it is generally accepted that the experience of EHS symptoms is of psychosomatic origin. Claims are characterized by a "variety of ...
In the United States, whilst one-quarter of people being investigated for a photosensitivity disorder were diagnosed with PLE, the prevalence in the general population is 10 to 15% and may even be as high as 40% as suggested in one study of more than 2000 people. [5] [6] It is also particularly more prevalent in Central Europe and Scandinavia. [4]
Anxiety sensitivity. Anxiety sensitivity (AS) refers to the fear of behaviours or sensations associated with the experience of anxiety, and a misinterpretation of such sensations as dangerous. Bodily sensations related to anxiety, such as nausea and palpitations, are mistaken as harmful experiences, causing anxiety or fear to intensify. [1]
Psychosis risk increases 81% on high-dose amphetamine. For this study, researchers analyzed medical data from adults between the ages of 16 and 35 treated at Mass General Brigham between 2005 and ...
Mass psychogenic illness (MPI), also called mass sociogenic illness, mass psychogenic disorder, epidemic hysteria or mass hysteria, involves the spread of illness symptoms through a population where there is no infectious agent responsible for contagion. [1] It is the rapid spread of illness signs and symptoms affecting members of a cohesive ...
Stress-related disorders constitute a category of mental disorders. They are maladaptive, biological and psychological responses to short- or long-term exposures to physical or emotional stressors. The National Institute of Environmental Health Sciences categorizes Obsessive-Compulsive Disorder (OCD) and Post-Traumatic Stress Disorder (PTSD) as ...