Mold. It grows on bathroom walls, it makes basements smell bad, and it ruins perfectly good loaves of bread. And if you’re allergic to it, there’s a good chance that mold will add to your misery. The spores from common molds function much like the pollen from ragweed. If you inhale the spores, you could get a case of allergic rhinitis, otherwise known as hay fever — an unpleasant combination of runny nose, sneezing, watery eyes, itching, congestion and coughing. And if you have asthma, the spores may trigger attacks. More than 80 types of mold have been associated with lung, nose, and throat problems, according to the American College of Allergy, Asthma, and Immunology (ACAAI). It’s possible that mold may even lead to the development of asthma. Fortunately, only about 25 percent of people with allergies are allergic to mold, according to the American College of Occupational and Environmental …