One, or both of my cats have been throwing up regularly lately. They NEVER throw up, so this is weird. Their food hasn't changed, so it can't be that. It IS hotter now, and I thought maybe it was the heat but it's not overly hot so now I'm not so sure about that either. I was thinking maybe hairballs because they lick eachother A LOT, but sometimes it's just like watery bile that I find. They have dry food out all day to snack on, so it's not because they are hungry. Anything else it could possibly be? It's happening a little too often for my comfort.