Beans contain complex carbohydrates that some people may find difficult to digest, leading to the production of gas and bloating.
Beans contain compounds that can inhibit the absorption of certain nutrients like calcium, iron, and zinc.
Some people may have an allergic reaction to beans, resulting in symptoms like hives, swelling, and difficulty breathing.
Beans are high in purines, which can increase the production of uric acid in the body, leading to gout flare-ups in people who are susceptible to the condition.
A rare but potentially serious condition that can occur when a person with a glucose-6-phosphate dehydrogenase deficiency (G6PD) eats fava beans or takes certain medications.
Some types of beans, like soybeans, contain compounds that can interfere with certain medications, such as blood thinners.
While beans can be part of a healthy diet, eating too many can lead to weight gain, especially if they are prepared with added fats and sugars.
Certain types of beans, like red kidney beans, contain a toxin called lectin that can cause food poisoning if not cooked properly.