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    "We see lots of adults being diagnosed as ADHD （多動(dòng)癥）around age 38，" says Timothy Widens，MD，a professor at Harvard Medical School. " That's right around the time people start doing more tasks，juggling jobs，families，a home，and other personal duties，" he says.
    But not everyone who slacks on work has ADHD.There're many other reasons you may lose attention.
Technology overload
    Your computer，cell phone，and iPad all draw your attention no wonder you're distracted（注意力不集中）!To a certain point，your brain can act as a secretary，keeping you organized and helping with time task.Research shows，learning basic organizational skills，like writing down responsibilities and maintaining a day planner，can help reduce these problems.So take a break from television，Internet，and email floods.
Lack of sleep
    If you are missing out on enough shut-eye most likely seven to eight hours a night you're probably easy-angry，dealing with mind fog，and have difficulty dealing with daily tasks，That's a usual reaction.
Poor job satisfaction
    Sure，everyone's unhappy at work from time to time maybe your customer presentation failed or your boss gave you a poor performance review.And if a disorganized working environment or a boring project makes it difficult to focus，that's normal.But if you find that you often can't complete projects，you probably need medical attention，or a new job.
    Too much stress too little exercise
    Stress has a bad influence on concentration （注意力）.The relaxation skills can add to your ability to focus on（集中）your mind.Regular exercise can keep your mind quick and make learning and memory ability better.It's even more important in adults with ADHA.
    Hopefully after you understand these helpful methods，you become more attentive.

Main（1） reasons reasons of ADHA among adults	●Someone can't devote himself to jobs in a good way or become forgetful. ●Mid-aged People have to deal with more life tasks and personal duties.
Other reasons for ADHA	●Losing attention because of too many electronic（2） products products like phones，computers and iPads. ●Being unable to have enough time to sleep and having difficulty（3） solving solving problems. ●Getting（4） bored bored with the disorganized or boring jobs day after day. ●Too much stress and too little exercise decrease the concentration.
Suggestions	●Keeping yourself away from television，Internet and email floods. ●Learning basic organizational skills，like making a list and a day plan. ●Relaxing in a skillful way which can（5） improve improve your ability to focus on your mind.