In general, most cases of fatigue
\weakness \ laziness may be attributed to three areas: lifestyle factors, medical conditions or psychological problems. A thorough assessment is needed in all three factors to get to the actual cause of weakness. Your diet and day to day life style also is very crucial for right diagnosis I being a both a registered dietitian (rd) and doctor have been successfully helping patients with their problems through a holistic approach using customized therapeutic diet and medications. I will also suggest home remedies.
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