Your safest bet is to stick with approved alternatives to tanning, like bronzer, self-tanner, and spray tan
The risk of this relationship increases with the habit of smoking
The noncanonical pathway is stimulated by cytokines such as CD40L or BAFF, involving NIK-mediated processing of p100 to p52 and formation of RelB/p52 dimers that translocate into the nucleus
A much larger study of 19,578 people, including 4,214 children from 6 to 16 years of age, found higher serum vitamin C concentrations to be associated with significantly lower blood lead concentrations (217)
Scientists then traced the pathway responsible and found it was entirely separate from the tanning mechanism, rooted in melanocortin receptor activity in the hypothalamus (the brain region involved in regulating motivation and desire) rather than in the skin