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Manganese superoxide dismutase (MnSOD) is the principal antioxidant in mitochondria. Several enzymes activated by manganese contribute to the metabolism of carbohydrates, amino acids, and cholesterol. [2] A deficiency of manganese causes skeletal deformation in animals and inhibits the production of collagen in wound healing. [3]
Reports also mention such sources as contaminated drinking water, [11] and fuel additive methylcyclopentadienyl manganese tricarbonyl (MMT), [12] which on combustion becomes partially converted into manganese phosphates and sulfate that go airborne with the exhaust, [13] [14] [15] and manganese ethylene-bis-dithiocarbamate , a pesticide. [16]
Manganese exposure in United States is regulated by the Occupational Safety and Health Administration (OSHA). [116] People can be exposed to manganese in the workplace by breathing it in or swallowing it. OSHA has set the legal limit (permissible exposure limit) for manganese exposure in the workplace as 5 mg/m 3 over an 8-hour workday.
1. What is osteoporosis? Osteoporosis is a disease of the bones. People with osteoporosis have bones that are weak and break easily. Osteoporosis is called a “silent” disease.
Mineral deficiency is a lack of the dietary minerals, the micronutrients that are needed for an organism's proper health. [1] The cause may be a poor diet, impaired uptake of the minerals that are consumed, or a dysfunction in the organism's use of the mineral after it is absorbed.
Metal toxicity or metal poisoning is the toxic effect of certain metals in certain forms and doses on life.Some metals are toxic when they form poisonous soluble compounds. . Certain metals have no biological role, i.e. are not essential minerals, or are toxic when in a certain for
Osteoporosis, a skeletal disorder characterized by compromised bone strength and increased risk of fractures, is a major concern in bone health, particularly among older adults. [ 2 ] [ 3 ] Maintaining good bone health involves a combination of adequate calcium and vitamin D intake, regular weight-bearing exercise, and avoiding risk factors ...
Ethnicity: While osteoporosis occurs in people from all ethnic groups, European or Asian ancestry predisposes for osteoporosis. [ 35 ] Heredity: Those with a family history of fracture or osteoporosis are at an increased risk; the heritability of fracture risk, as well as low bone mineral density, is relatively high, ranging from 25 to 80%.