ADHD Research

This is a reseach paper not for school, just some infromation I personal want to know and better understand. I do not need a tille papge but would like references. scholarly source, medical journal or any other reliable source. Listed below is just a few questions I had but any infromation on ADHD is welcomed. No due date but would like as soon as possible.

What is ADHD?

Do exercise, sleep, and diet make a difference in ADHD

ADHD in Elementary School Kids

Parenting a Child With ADHD

How ADHD Is Different for Girls

How ADHD Is Different for Boys

What  causes ADHD

How does ADHD affect the brain?

What are the Alabama state department of education regulations for children with ADHD?

What, if any, accommodations might be needed in school for children with ADHD