Years before caffeine was considered a drug that aided breathing. The asthmatic patient was treated with coffee beans. Studies show that caffeine belongs to the chemical group used to treat asthma. Contains methylxanthines, a substance similar to theophylline, which is a bronchodilator. Despite this, it is still unclear whether caffeine has a positive effect on asthma. Low doses of caffeine improved lung function, while high doses of caffeine reduced the amount of air you breathe. Coffee and tea have a positive effect on eliminating gallstones. A health professional follow-up study concluded that “consuming four cups of coffee a day causes the gallbladder to contract.” These contractions empty him of the stones. Contractions are often painful. Most patients complain of pain if they drink a lot