Each of these areas carries its own considerations related to dosing, precursor support, and patient selection
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Use of phosphate-based fertilizers which contain arsenic, cadmium, lead in trace amount, use of untreated sewage that contained the heavy metals as fertilizers, contaminated run-off from mining and smelting industries near agricultural farmlands, industrial wastes from manufacturing industries that leach into the soil, urban construction also introduce heavy metals to the soil, chemical spills, landfill leakage, recycling of materials, atmospheric deposition, weathering and erosion as well as other natural processes (Adamu et al
MMWR Morb Mortal Wkly Rep 1982;31:28990
Minoxidil and finasteride are backed by large randomized human trials and regulatory approval for hair loss