Some brains, through no fault of their own, pack a bag, turn the lights off and run away to the seaside the moment they are meant to be doing homework, paying bills or not putting the cat in the fridge. These are ADHD brains. I have one and believe they are as common as being left-handed, flat footed or genuinely enjoying anchovies on a pizza. Undiagnosed Attention Deficit Hyperactivity Disorder made my life a frustrating, maddening rollercoaster...