Patients recovering from brain surgery are also not suitable for eating, because once allergies occur, they will be life-threatening.

People with low blood pressure and visceral ptosis should try to eat less pineapple to avoid aggravating the condition; It is best for female friends who are afraid of cold and weak to eat pineapples within half a day. If they are too thin or want to gain weight, don't eat more.

Even normal people should soak pineapples in light salt water 1 hour or more before eating, because salt water can destroy bromelain and greatly reduce the occurrence of allergic reactions.

In fact, when eating pineapple, peel the pineapple and cut it into pieces, then soak it in light salt water for 30 minutes, then soak it in cold water to remove the salty taste before eating. Soaking pineapple in salt water can also avoid pineapple disease.

With this treatment, eating some pineapples properly, that is, eating one or two tablets at a time, can still supplement protein's. Of course, it is not recommended to eat too much at a time, because it contains serotonin, which has the effect of contracting blood vessels and raising blood pressure.