As this article from our editorial team on asthma and diet notes, food allergies are rarely asthma triggers and there are no general guidelines for avoiding certain foods: https://asthma.net/coping/diet/. However, some people with (mostly severe) asthma do react to sulfites, often contained in wine. This article contains more information on sulfites: https://asthma.net/triggers/food-wine-sulfites/.
Lorene Alba, AE-C Moderator & Contributor
Researchers are finally studying the effect diet(https://asthma.net/coping/diet/) has on asthma. Many with asthma say after eating junk food or drinking alcohol they experience symptoms.