Nicotine salt vape. In a San Francisco biological laboratory, neuroscientist Ella gazed at an electron microscope image: nicotine salt molecules were penetrating artificial lung tissue at a speed of 3.7 microns per second, 17 times faster than traditional freebase nicotine. At this moment, 580,000 vape worldwide are consuming nicotine salt vape juice every second. This super-category, which holds a 68.9%…