Read More at Well+Good If you haven’t already seen the onion water trend on TikTok, it’s only a matter of time. Across multiple posts, this trend has already accrued well over 200 million views. From speeding recovery from respiratory syncytial virus (RSV), sinus infections, colds, and coughs to helping improve asthma, gut health, and blood pressure, there are many health claims associated with this humble liquid. Let’s see what the evidence tells us about this trend and hear what some health experts have to say. Understanding the onion water trend Onions are so prevalent on TikTok right now that it’s making eyes water. Some are placing halved onions in the corners of their rooms as a natural air purifier, others are stuffing them in their socks overnight when they’re sick, and (of course) others are making them into onion water…