My mom grew up in South Africa, '40s and '50s, she always made us wash our lips after eating mango to avoid a rash. Only later did I discover I didn't need to,

My mom grew up in South Africa, '40s and '50s, she always made us wash our lips after eating mango to avoid a rash. Only later did I discover I didn't need to, I always assumed the rash-causing compound has been bred out of modern mangos.