Do you sometimes see blood pooling in your limbs after you stand up or sit down, or do you feel tired, or shaky every not and then? Maybe sometimes you feel like fainting or have low blood pressure? This lethargy occurs when your body is suffering from P.O.T.S (Postural Orthostatic Tachycardia … [Read more...] about P.O.T.S – A Disorder That Takes Years to Diagnose