Take your thumb and index finger to pinch about 1 inches of skin and inject the needle into the pinched skin
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We will analyse the effect of vitamin B 12 separately in the following subgroups: Vitamin B 12 status: based on cobalamin (cut-off: 150 pmol/L) based on low total homocysteine (cut-off: 10 mol/L) based on low methylmalonic acid (cut-off: 0.26 mol/L) Maternal body mass index (cut-off: 18.5) Vegetarian (yes/no) Birth weight (cut-off: 2500 g) In these subgroup analyses, the differences in the effect between the levels of the subgroups will be measured by including two-way interaction terms in multiple regression models
There are several foods abundant in the vitamin, including poultry, fish, other meats, and dairy
Regular movement and exercise are critical
In the ageing population, the ability to absorb B12 often declines, which can affect energy levels and cognitive function
