Yes, relax ...there is no real science behind this ... It's like saying there is a smokers gene ..because a particular gene codes for a protein in cell walls that might extend tolerance to smoke damage (but is actually to do with nomadic desert peoples and excessive sand damage resistance ) ... it's just an example of standard irresponsible publication to support greed motives ( business ). I said this to someone else in here but I don’t understand how these things work, so I am repeating it.

Relax ...there is no real science behind this ... It's like saying there is a smokers gene ..because a particular gene codes for a protein in cell walls that might extend tolerance to smoke damage (but is actually to do with nomadic desert peoples and excessive sand damage resistance ) ... it's just an example of standard irresponsible publication to support greed motives ( business ).