The central question is whether they help people stop smoking or whether they are a gateway to traditional cigarettes, especially for younger people
The first reason is straightforward
Trace elements An energy dispersive X-ray fluorescence (EDXRF) spectrometer was used to determine the concentrations of 48 trace elements in a range of atomic numbers from 11 (Na) to 82 (Pb), including Ag, Al, As, Au, Ba, Br, Ca, Cd, Ce, Cl, Co, Cr, Cs, Cu, Eu, Fe, Ga, Ge, Hg, K, La, In, Mg, Mn, Mo, Na, Nb, Ni, P, Pb, Pd, Rb, S, Sb, Sc, Se, Si, Sm, Sn, Sr, Tb, Ti, Tl, V, W, Y, Zn, and Zr
However, the veracity of this claim is questionable, given the often speculative nature of early modern medicine
(2) For foods bearing relative claims: (i) The label or labeling must state the identity of the reference food and the percentage (or fraction) of the amount of the nutrient in the reference food by which the nutrient in the labeled food differs (e.g., 50 percent less fat than (reference food) or 1/3 fewer calories than (reference food)), (ii) This information shall be immediately adjacent to the most prominent claim