Methylene blue could also be dangerous for people who have a genetic disorder affecting red blood cells called glucose-6-phosphate dehydrogenase deficiency
The neurologic side effects include confusion, dizziness, drowsiness, slurred speech, balancing issue, loss of consciousness, muscular paralysis, fatigue, numbness, tingling, and/or burning
However, before considering any medi-facial, it is advisable to consult a dermatologist to check your skin condition and sensitivity
Statistical analyses As Pearson correlation coefficients between the nine metabolite concentration values (three metabolites in three voxels) were substantial even after adjustment for potential confounders, we used principal component analysis (PCA) to identify latent metabolite variables, and extracted scores for each component (see Results and SA7 for details)