Mitali's Health & Wellness Tip on Instagram: "1. “Artificial hukka” / e-hookah / vape pens Many artificial hukkas or e-hookahs use flavored liquids (often called e-liquids). When heated, these liquids create an aerosol you inhale. The ingredients vary but usually include propylene glycol, glycerin, nicotine (sometimes), and flavorings. 2. Popcorn lung (bronchiolitis obliterans) This is a rare but serious lung disease where the smallest airways (bronchioles) become scarred and narrowed. The nickn