Acute laryngitis: Laryngitis that starts all of a sudden and lasts no more than 2 weeks is called acute laryngitis. In most cases it is caused because of viral upper respiratory infection, overuse of voice, or irritation of the throat because of excessive smoking.
For hair growth, be sure to get a balanced diet with Vitamin C, Biotin (i.e. Vitamin B7 or Vitamin H) and Niacin (Vitamin B3). If you cannot get enough of these vitamins in your diet, you may need to take a vitamin supplement for hair growth.iotin is a B-vitamin complex sometimes called Vitamin B7 or Vitamin H. Your body produces it in the intestines and it is also found in foods such as dark green leafy vegetables, nuts and egg yolks.
Some of the healthy hair vitamins are as follows: 1. Vitamin A  This vitamin is an antioxidant that helps produce healthy sebum in the scalp. Food sources: Fish liver oil, meat, milk, cheese, eggs, spinach, broccoli, cabbage, carrots, apricots and peaches. Daily dosage should be 5,000 IU.