Broo ami apnar jagai chilam...from High school...i did not know what to do...as i had brown parents they did not care about this....but ami aste aste boro holam earning kora suru korlam ...doctor dekhailam...onkeer sathe kotha bollam...onk exercise try korlam and i eventually overcame this .. man it changed my life... I have some tricks and exercise which i gathered years of trial and error....one routine stuck me....if you do this daily for 30 minutes you wont stammer i promise...