That may have worked will for you, jokethrowaway, but for many of us, it's medication that makes us
able to change the other things in our life.
The reality is that the effects of medication have been thoroughly studied, and prescriptions are obsessively managed.
Meds don't work for everyone, but they work reality well for most of us.
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No lifestyle choice is going to help me manage the chemical imbalance of my brain as effectively as medication does.
Even deeper than that, making an active lifestyle choice, or even any choice at all, is literally the thing my brain is bad at. It's called executive dysfunction, and it's the main symptom of ADHD.
If I have to overcome my ADHD in order to treat my ADHD, then I will never satisfy the circular dependency. Just like I literally cannot pick myself up by my own bootstraps.