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The mechanism at play here is called orthostatic hypotension: a sudden drop in blood pressure in your torso and head when you stand, due to your hearts inability to pump blood upward fast enough to overcome gravity, causing lightheadedness and brain fog
Facts : X linked recessive disorder, MC in AA men G6PD enzyme involved in creating NADPH (cofactor required to create glutathione and prevent oxidation of hemoglobin) Without G6PD, hemoglobin becomes oxidized and denatures into Heinz bodies Variants are G6PD A- (moderate enzyme deficiency) and G6PD Mediterranean (severe enzyme deficiency History / PE : Fever Jaundice Abdominal pain Hematuria Diagnosis : Heinz bodies (denatured hemoglobin) and bite cells Positive Prussian blue staining (detects hemosiderin) G6PD levels are usually paradoxically normal during hemolytic episode Notes : Patients are less susceptible to malaria Associated With : Episodic hemolysis from fava beans , oxidant drugs (esp
For cell culture applications, prepare fresh dilutions into serum-free media immediately before use, as serum albumin and transferrin in complete media can sequester the copper ion over extended incubation periods, altering the effective GHK-Cu concentration
That trajectory begins decades earlier, in choices and interventions that seemed beneficial at the time
