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Other early signs in adults include malaise, fatigue, decreased libido, and problems with sleep. [30] An unusual taste in the mouth and personality changes are also early signs. [37] [38] In adults, symptoms can occur at levels above 40 μg/dL, but are more likely to occur only above 50–60 μg/dL. [30]
Signs and symptoms of selenosis include a garlic odor on the breath, gastrointestinal disorders, hair loss, sloughing of nails, fatigue, irritability, and neurological damage. Zinc toxicity has been seen to occur at ingestion of greater than 225 mg of zinc. [18] Excessive absorption of zinc can suppress copper and iron absorption.
The initial symptoms of methanol intoxication include central nervous system depression, headache, dizziness, nausea, lack of coordination, and confusion. Sufficiently large doses cause unconsciousness and death. The initial symptoms of methanol exposure are usually less severe than the symptoms from the ingestion of a similar quantity of ...
Many gases have toxic properties, which are often assessed using the LC 50 (median lethal concentration) measure. In the United States, many of these gases have been assigned an NFPA 704 health rating of 4 (may be fatal) or 3 (may cause serious or permanent injury), and/or exposure limits (TLV, TWA/PEL, STEL, or REL) determined by the ACGIH professional association.
Children are proven to be more susceptible to developmental poisons from pesticides than adults. Additionally risking greater sensitivity to pesticides from compounding stressors or other environmental factors. [46] Small pesticide exposures have been shown to have an impact on young children's neurological and behavioral development. [47]
Mercury poisoning is a type of metal poisoning due to exposure to mercury. [3] Symptoms depend upon the type, dose, method, and duration of exposure. [3] [4] They may include muscle weakness, poor coordination, numbness in the hands and feet, skin rashes, anxiety, memory problems, trouble speaking, trouble hearing, or trouble seeing. [1]
For healthy adults, a short fall may not be a problem, but a baby could fall their entire body length off a couch onto a much softer skeleton that has many more bones than adults' bodies do. 9 ...
Environmental hazards are hazards that affect biomes or ecosystems. [1] Well known examples include oil spills , water pollution , slash and burn deforestation, air pollution , ground fissures , [ 2 ] and build-up of atmospheric carbon dioxide . [ 3 ]