spasmodic dysphonia, which can cause your voice to be hoarse, airy, and tight; vocal disturbances, changes in the sound and ease of your speech causes by any factor that changes the function or shape of your vocal cords ; Causes of adult speech impairment . Different types of speech impairment are caused by different things. For example, you may develop a speech impairment as a result of: a stroke
Glycerol /ËÉ¡lÉªsÉrÉl/ (also called glycerine or glycerin; see spelling differences) is a simple polyol compound. It is a colorless, odorless, viscous liquid that is sweet-tasting and non-toxic. The glycerol backbone is found in all lipids known as triglycerides. It is widely used in the food industry as a sweetener and humectant and in pharmaceutical formulations.
 Glycerin is a colorless liquid used in soaps, skin treatments,  cooking, animal care, crafts, and fine arts. It can be purchased at  pharmacies (including big chains lik â¦ e Walmart or Target) in small  quantities.Or, it can be found in bulk online or at certain supply  stores. In addition, vegetable glycerin, which has a rich oily texture, is  a hypoallergenic glycerin derived entirely from vegetable oil  (non-vegetable glycerin is usually derived from pork or other  animal fats).