Melatonin is a relatively safe supplement when used in the short-term, and melatonin side effects are uncommon. Melatonin safety in the long-term has not been determined in randomized, controlled studies. In general melatonin appears to be relatively nontoxic, even at higher doses such as 3 to 5 mg once a day.
Best Answer: During inspiration (breathing in) our external intercostal muscle contract and the internal intercostal muscle relax together with the movement of ribs and the thorax, this increases the volume of the throacic cavity.Air pressure in our lung decrease as the volume increases.ating Newest Oldest. Best Answer: During inspiration (breathing in) our external intercostal muscle contract and the internal intercostal muscle relax together with the movement of ribs and the thorax, this increases the volume of the throacic cavity. Air pressure in our lung decrease as the volume increases.
Since the intercostal muscles located between the ribs facilitate the movement of rib cage during breathing, a person suffering from inflamed intercostal muscles is most likely to experience labored breathing or painful breathing. The pain may exacerbate with exertion and may also worsen while sneezing or coughing.ince the intercostal muscles located between the ribs facilitate the movement of rib cage during breathing, a person suffering from inflamed intercostal muscles is most likely to experience labored breathing or painful breathing. The pain may exacerbate with exertion and may also worsen while sneezing or coughing.