15 Disorders That Didn’t Exist 100 Years Ago. While many deadly diseases have been cured during the 20th century, there is also an abundance of conditions that have emerged in the past several decades. Life has changed quite a bit, so we have to deal with a lot of things we didn’t have to 100 years ago. For example, cell phones and the internet have made a huge splash in our culture. Nowadays, it’s impossible to live without these two things! While they’re amazing accomplishments, that doesn’t mean there aren’t repercussions.The internet and smartphones, in particular, have created a whole new set of rules for psychologists and psychiatrists alike. There are a lot of mental disorders that have popped up in the last 30 years that didn’t exist just because people use these two things more than they ought to. Then there are anxiety disorders that have sprouted due to the prevalence of social media.Whether it’s due to significant technological advances or because we’ve defined an issue that’s existed for a while, some disorders simply didn’t exist 100 years ago. We’re going to go over some of the ones that the psych community are beginning to understand—and all that starts with giving the disorder a name that perfectly defines it.One question we have is how does the presence of these newly created and/or defined disorders affect the society we live in? Will there be any changes in behavior or advances due to the appearance of these new disorders?