
No, its not.
There are more than 45 million people  in the world today who stammer and approximately 10 million live in India .  Stammering is predominantly a 'male' condition (80% of all stammerers are male)  and it usually affects the first-born male child. A significant majority of  stammerers (65%) have a family history of the disorder; usually the father who  stammers or speaks at a rapid rate. Nearly always, stammering starts before the  child is 5 years of age. If left untreated, it peaks in severity around the age  of 10 to 18 years and then begins to stabilize or fade away as the stammerer  grows older.
A stammerer knows precisely what he wants to say but  cannot, for the moment, say it because of an involuntary repetition,  prolongation or cessation of the speech sound. Research suggests that the  disorder might be caused due to a 'neurological mistiming' during the act of  speech which leaves the stammerer confused about when exactly to say the word he  wants to say. Speaking is not merely the movement of the tongue but involves a  fine coordination of both mental and physical processes. Like all other physical  actions, the act of speech is the result of neuro-muscular coordination which  involves the transmitting of electro-chemical messages from the brain to the  appropriate muscle groups. For everyone of us (non-stammerers and stammerers  alike), this neuro-muscular system sometimes trips and fails especially during  moments of inadequate emotional control. Haven't we all found the quality of our  speech delivery changing with our feelings as we experience thrill, anger, fear,  joy or other such strong emotions? For the stammerer, this 'tripping' occurs  much more frequently than it does for normal speakers. Whenever he faces what he  perceives as a 'feared' situation, the stammerer adopts a mind-set which  triggers off spasms of speech-blocks. Such fears can also center around certain  speech sounds or even certain people.
 
Scientists have yet to pin-point the exact cause of stammering. In ancient  times, the condition was attributed to every possible source including sometimes  the devil himself. One can only guess the varieties of tortures undergone by  stammerers in their quest for speech fluency in those days. Even now, stammering  has remained a confusing speech impediment for the sufferer as well as for those  who have attempted to cure it through medicines. 
 One stammerer poignantly  asks :
I can see
I can hear
I can sprightly walk.
Why do all my  problems surface When I try to talk?
In their desperate search for  fluency, many stammerers in India subject themselves to a myriad of so-called  treatments ranging from swallowing vile concoctions to allowing themselves to be  pierced with needles and cut with knives. Actually, such treatments hold no  relevance to the problem of stammering and only cause greater frustration in the  long run.
 
Yoga and meditation might really hold the key to solving the problem of  stammering. With the greater sense of emotional and intellectual balance that  these disciplines promote, the stammerer might find them of tremendous help in  his attempts to develop
better control over his speech.
Dr. Edward  Conture, Professor of Speech Pathology at Syracuse University, New York, talks  about what causes stammering :
  "Things that cause  stammering may be, and probably are, quite different from the things that keep  it going, aggravate or worsen it. For example, if you mishandle a knife, you may  cut your finger. The knife causes the cut and initial pain. Salt rubbed into the  cut makes the pain continue or even worsen it but the salt does not cause the  cut". Dr. Conture says, scientists "...still haven't found the 'knife' that  causes stammering. However, we do know something about the 'salt' that keeps it  going, makes it worse or aggravates it". 
 These are aspects which  can be changed through self-therapy to help the person overcome his speaking  difficulty.
Many of the Non-stammerers might experience a feeling of embarrassment when we converse with  stammerers; some of us look away while others go ahead to complete their  sentences for them. In talking with a stammerer, the following hints might be of  help:
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Listen to what is said,  not how it is said. 
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Be patient and don't  hurry the person talking. 
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Try to maintain natural  eye contact.  
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Simplistic advice  ("breathe properly", "don't worry", "don't be afraid", etc.) though well- meant  is not always helpful. 
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Stammerers have  difficulty when talking but don't assume they are stupid or confused about what  they are saying. 
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Many stammerers have  difficulty when they speak on the telephone. Please do not hang up if the caller  is taking longer than usual or if he is silent for a while.
Stammerers  usually try and hide their speech problem from their listeners. This attempt at  camouflage is counter-productive because it only acts as psychological 'fuel'  for even more speech-blocks. If the stammerer is open about his speech  difficulty, he experiences lesser stress and is able to speak with greater  control.  
 
 In the final analysis,  stammering can be overcome if the sufferer seeks scientific, professional  guidance and is ready to work towards achieving speech fluency through regular  practice of therapeutic techniques. It certainly cannot disappear by ingesting  some magic potent!
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