To treat the problem or stammering take equal proportions of black pepper and purest honey and mix them. Now eat that paste of honey and black pepper every morning. Remember that you don’t have eat anything before this medicine. It will start enhancing their voice. You might be familiar with mulberry fruit. Ask your children to eat that in abundance. It will also help them out to regain the firmness in their voice. Sharbat toot siyah can also help to et rid of this problem.