Can we do a study on a link between video games and ADHD or dopamine deficiency? https://www.webmd.com/add-adhd/childhood-adhd/adhd-and-video...
This is entirely my own experience but the friends I had in high school/university always clocked in way more hours in WoW than I could doing repetitive tasks such as reputation grinding, crafting, dailies, raiding etc. I always wondered if it was something to do with ADHD or possibly the medications they took. The latter seems less likely as they played even more when they were off their meds.
Medication could have that effect but I experience quite the opposite. It almost makes me feel "bad" that I am playing a game and doing something more productive. That's generally how these meds work, they "stress" you into doing tour work, so you don't do it the day before you have to turn it in.
But I guess it's different for a professional gamer. It maybe doesn't feel unproductive when it's your main source of income.
Another thing is, the H in ADHD stands for hyperactivity. To play a game however, you have to sit still.
I do still play some games, but only those that are non competitive and casual. For example, I really like playing Stardew Valley, it's very calming and because it is open ended, there is no FOMO.