the answer is social skills :)
Answer:Mucinex D is (guaifenesin and pseudoephedrine) is an expectorant/nasal decongestant combination, and Mucinex DM (guaifenesin and dextromethorphan) is an expectorant/cough suppressant combination.
Explanation:smart
This is a very general question. There are many diseases that cause this. Some that I can think of are Parkinson’s disease, Huntington’s disease, and cerebral palsy.