It's not just aging that makes us bad at noticing when we're dehydrated. The ubiquity of so many types of foods has given us the ability to satisfy the craving

It's not just aging that makes us bad at noticing when we're dehydrated. The ubiquity of so many types of foods has given us the ability to satisfy the craving for that which stimulates our senses, not necessarily what we need. I know this is anecdotal, but I've heard so many people tell me that they skip meals because they simply "forgot to eat." Do you think those people remembered to drink water? I don't think so. So, yes, people tend to be terrible at noticing what they need, and when they do notice they are terrible about doing something about it.