 [ Symptoms ] help my legs constantly feel weak what could be the cause of this i have a number of problems i need answers to <negative_smiley> i have weakness in my legs low bp last reading 8555 anxiety difficulty sleeping depression lack of concentration my appetite is not normal   i could eat 7000 calories a day if i allowed myself to i am tired all the time and very weak i need help to understand what is going on with me i eat really well only real food i work out which is becoming terribly difficult for example i could not jump in my crossfit class bringing my legs up was impossible what could be wrong with me [ Disease ] no there are no blood test this is a clinical and a pathological diagnosis