Manganism or manganese poisoning is a toxic condition resulting from chronic exposure to manganese. Chronic exposure to excessive manganese levels can lead to a variety of psychiatric and motor disturbances, termed manganism. In initial stages of manganism, neurological symptoms consist of reduced response speed, irritability, mood changes, and compulsive behaviors. Symptoms are also similar to Lou Gehrig's disease and multiple sclerosis.
Carbon monoxide poisoning: undetected by both patients and their doctors
Carbon Monoxide Poisoning and Hyperbaric Oxygen | DDRC Healthcare
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Spooky footsteps, faint figures, the feeling of being watched — these unsettling signs of a ghost are as familiar to us as the goose bumps on the back of our arm or neck. Absolutely, says Joe Nickell, a senior research fellow for the Committee for Skeptical Inquiry, an organization that promotes scientific inquiry and critical investigation of paranormal and other extraordinary claims. Ghostly sightings can also be brought on as a result of a psychotic state, drug use, sleep deprivation or temporal lobe epilepsy.
This case study is part of a collection of pages developed by students in the introductory-level Geology and Human Health course in the Department of Earth Sciences, Montana State University. Learn more about this project. Hydrofracking is a controversial oil and gas extraction technique developed in the late s to gain access to fossil energy deposits previously inaccessible to drilling operations. The process, "hydraulic fracturing", literally involves the smashing of rock with millions of gallons of water--along with sand and a undisclosed assortment of chemicals in order to bring gas to the surface.