Stop eating the beans.

Usually after eating beans, people close to me experience burns. . .in their nose.

your stomach contains acid [consisting mainly of hydrochloric acid (HCl) (around 0.5%, or 5000 parts per million), and large quantities of potassium chloride (KCl) and sodium chloride (NaCl).], there is a sphincter at the top of your stomach to keep the acid as well as food inside.  sometimes this sphincter becomes irritated (caffeine, alcohol, spicy foods, food in-tolerances, eating too much at one time or a number of other causes).  when this happens the acid from your stomach enters your esophagus which causes this burning sensation.  this if left untreated for prolonged periods of time (talking years here) can lead to cancer of the esophagus.  avoid eating foods that irritate you, when experiencing heatburn eat some antacids (calcium bicarbonate ones like Tums or Rolaids, not any of the ones who contain other chemicals) or drink milk/yogurt.  if it persists there are medications to take daily that will limit the production of acid in your stomach.  also try not to lay down after eating as this can cause heartburn.