Shit! Someone check the seal to Tartarus.

There is evidence that it shortens attention spans. Can’t cause ADHD, however, because one of the diagnostic criteria is that it’s lifelong (must have symptoms present before age 12) and it’s something inherent to who you are.

Also, entirely a special interest rant here, but ADD is no longer the term. ADHD is the term for the disorder and those who were diagnosed with ADD before now are considered ADHD Inattentive Type. Reason for the change is we don’t typically differentiate diagnoses based on symptom presentation. You don’t get the flu or the chilly flu, you just get the flu with chills as a symptom.