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Blind calcium supplementation may lead to high blood calcium, kidney stones, nutritional imbalance of mineral elements, even heart disease, prostate cancer, etc., and must be stopped. There are three factors to consider calcium deficiency. Clinical examination shows calcium or vitamin D deficiency indication (such as low bone density, high alkaline phosphatase, high calcium phosphorus product); The concentration of vitamin D in blood was normal; Low calcium intake (e.g. <3/4 recommended).
Blue whales, the most important creatures within the good reputation for our planet, are sustained by tiny krill. Perhaps the Earth's bottomless appetite for non-renewable fuels can be satiated by something even smaller. Algae tend to be than the scum in addition to the pond. When properly utilized, algae can produce fuels, chemicals and materials which might be better and cleaner than petroleum-based ones.
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