Okay, you have permission to really be grossed out. This can be one of the most ultimate forms of challenge for you. Eating the insides of animals is already a danger in itself. Eating brains of monkeys can cause Neurodegenerative Diseases. No, you won’t gain the monkey’s intelligence. You can get the transmissible spongiform encephalopathies. No matter how gross and dangerous, Asians still see this as a delicacy.