Jessica McCabe
Jessica McCabe, who runs the YouTube channel "How to ADHD."
  • Jessica McCabe, 41, lost or quit at least 15 jobs due to her ADHD symptoms.
  • She started a YouTube channel about her ADHD experiences and built a full-time career out of it.
  • ADHD symptoms like hyperfocusing and flexible thinking helped her find success.

By the time she was in her early 30s, Jessica McCabe had either quit or was fired from at least 15 jobs.

"That may be an underestimation," McCabe, now 41, told Business Insider.

As a child, McCabe was diagnosed with ADHD and prescribed medication. She was labeled a "gifted kid" by the adults around her and was repeatedly told how much potential she had — if she just worked harder.