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In page Microcurrent electrical neuromuscular stimulator:

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MENS uses include treatments for pain,[1] diabetic neuropathy,[2] age-related macular degeneration, wound healing, tendon repair, plantar fasciitis[3] and ruptured ligament recovery. Most microcurrent treatments concentrate on pain and/or speeding healing and recovery.[4] It is commonly used by professional and performance athletes with acute pain and/or muscle tenderness as it is drug-free and non-invasive, thus avoiding testing and recovery issues. It is also used as a cosmetic treatment.