1 Tracheoesophageal fistula: An abnormal channel forms to connect the trachea and the esophagus. 2  Passage of swallowed food from the esophagus into the trachea causes serious lung problems. 3  Tracheal foreign body: An object is inhaled (aspirated) and lodges in the trachea or one of its branches.
The cycle of hair growth in eyebrows is completely different and shorter compared to the cycle of hair growth in head. Usually for head hair, it will take around 5-6 months to regrow but in case of eyebrows it is only a matter of 2-3 months.
The time it takes to grow a mustache depends on how fast the hair grows and the type of mustache desired. On average, hair on the body, including the face, grows at a rate of 1/2-inch per month. Continue Reading.