Ethics, reproducibility and methodological pitfalls Frequent pitfalls in cognitive peptide research No vehicle control in some old Russian studies: mandatory in any modern publication Non-randomisation : assigning animals to groups by order of arrival introduces systematic bias (weight, oestral cycle, cage stress) Non-blinded experimenter : behavioural tests are highly sensitive to expectations
Most older adults dont need a B12 supplement Older adults should not take B12 supplements unless they have a documented deficiency, Yourman says and only about 20 percent of adults over age 60 do, according to a report from the American Academy of Family Physicians
By your 60s, levels drop by more than 60%, and so does the signal that tells your skin to renew, your hair follicles to thicken, and your tissue to repair
Watch out for heavy metal exposure , mold, pesticides, and industrial chemicals