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.
Eyebrow Growth â Improving Eyebrow Growth. Eyebrow growth is important because your eyebrows frame your eyes. When you have dark and well defined eyebrows, your eyes look outstanding. If you are having difficulty maintaining normal eyebrow growth, you may think that your only option is to tattoo on your eyebrows.