Kevin Ostajewski/Getty ImagesFor many of us, Paris Hilton is synonymous with early-2000s pop culture. When she and Nicole Richie popped up on our screens in a little hit reality show called The Simple Life, they quickly became part of the zeitgeist. This status was only cemented with the hotel heiress’ iconic catchphrase “That’s hot” and the sparkly pink lifestyle empire she’s since spun. And be so for real: You still know every word to “Stars Are Blind.”What you may not know is that Hilton, now 45, was diagnosed with ADHD as an adult, something she feels called to speak about in case it helps...