Diagnosis The disorder, as described in DSM IV-TR, is best characterized by three main symptoms of impulsivity, hyperactivity and inattention. For making a diagnosis in a child disorder must start before age 7 and symptoms must continue for 6 months. Children having signs of impulsivity and hyperactivity are restless, unpredictability, tendency to fail, difficult to stay seated and blurting answers without even giving thought. Feelings of inattention are getting distracted, making careless mistakes and trying to finish off things very fast. Although they start very fast but quickly jump to another job without completing former one. Besides these other symptoms are vision problems such as double vision

Cause The cause is still not clear. Among hypotheses are anatomical structural problems in frontal lobes and basal ganglia of brain. Some propose theory of genetics. Others claim that certain environmental causes are smoking and having alcohol in pregnancy. Finally some hypothesize that taking artificial sweeteners and additives might be cause.

Brushing your teeth twice a day is an essential dental care. This helps prevent tooth decay and gum disease. The size and shape of your toothbrush should fit mouth to enable brush to reach all areas easily. Using a toothpaste containing fluoride is also another tip in dental care for fluoride helps protect your teeth from decay. It is also a vital dental care if you clean between teeth using floss or interdental cleaners which remove plaque from in between areas toothbrush can't reach. This also prevents gum disease.

Brushing teeth is not as easy as you thought it is. You might not believe this but brushing teeth is more than brushing teeth, spitting out water, and gargling. The following are tips in brushing that will definitely vamp your personal dental care.

• Brush at a 45 degree angle in short, half-tooth-wide strokes against gumline • In brushing chewing surfaces, hold brush flat and brush back and forth • Tilt brush vertically and use gentle up and down strokes with toe of brush in brushing inside surfaces of front teeth • Brush tongue in a back-to-front sweeping motion to remove food particles and freshen mouth.

As mentioned earlier, flossing is a vital part in dental care and similar with brushing, there is a proper way in doing it. The following will teach you how to floss properly and get that great smile.

• Wrap an 18-inch strand around your middle fingers and hold a one inch section tightly. • Ease floss between teeth and clean up and down several times while curving around tooth at gumline. • Always floss behind last tooth and unwind clean floss as your proceed. • Floss around abutment teeth of a bridge and under artificial teeth with a floss threader.