Patients with breast cancer should eat less or no mangoes. Although mangoes have high nutritional value, breast cancer patients should eat them sparingly because they are toxic and should be avoided by patients with skin diseases or tumors. In addition, the following types of patients are not suitable to eat mangoes: 1, patients with asthma should eat mangoes with caution or according to the doctor’s instructions. 2, because of the high sugar content of mangoes, diabetic patients should be cautious or a small amount of consumption. 3, patients with cold cough should avoid eating mangoes, so as not to cause the patient’s throat to itch, making the cough worse. 4, mango leaves and mango juice can cause allergies People with allergies should eat mangoes with caution.