ADHD is not a disease, it is classified as a mental condition.
Where you lose concentration often.
But as age increases, hyperactivity is seen to be lessening.
By age 15 ADD becomes ADHD.
This is natures way of cure.
We make mistakes in understanding the disease and provide a cure.
Learning difficulties are associated with ADHD.
Mind you, you are not "MENTALLY RETARDED".
Nothing to worry so much about your problem
Also you need to understand life situations and learn to think clear and positive.
and yoga can streamline body metabolism
and thinking process.
can help you in changing life style.
Consult a psychologist
Wish you speedy recovery.