No. How can you think that? It’s classified as a speech disorder that affect the normal fluency of speech,Instead of believing what people think ,do your own research on reliable websites. https://www.mayoclinic.org/diseases-conditions/stuttering/symptoms-causes/syc-20353572 https://www.nidcd.nih.gov/health/stuttering https://www.asha.org/public/speech/disorders/stuttering/