A few patterns emerge from this comparison
It has roots in traditional hacker culture but applies to technology that modifies something organic, from altering cells in a petri dish to ultra-freaky grinder body tweaks, like implanting speakers in your eardrums or embedding a vibrator near a mans pelvis (this exists and is called the Lovetron 9000), or, very recently, editing your own genes
Do not throw used needles in the regular trash
The term tells you nothing about the actual active, dose, or mechanism
Certain health conditions such as intestinal or stomach problems, poor nutrition, cancer, HIV, pregnancy, old age, veganism and alcoholism can cause vitamin B12 deficiency
PubMed Maquart FX, Pickart L, Laurent M, et al