1, constipated people should not eat

Iron stick yam is rich in starch content, consumption of astringent antidiarrheal effect, suitable for loose diarrhea people eat, can reduce symptoms, but if the constipated people eat the yam, may aggravate the symptoms of constipation, so constipated people can not eat iron stick yam.

2, bloating accumulation of food people should not eat

Yam in the high starch content, daily and sweet potatoes, potatoes, pumpkin, as coarse grains as staple food consumption, but after eating is not easy to digest, if you eat more than one may also be bloating discomfort, for their own bloating and accumulation of food trouble, and then continue to eat yam is not good for the condition, will aggravate the problem of abdominal bloating and accumulation of food, abdominal pain, accumulation of food may occur. The phenomenon of not eliminating.

3, men with prostate cancer women with breast cancer should not eat

Yam contains a diosgenin ingredient, this ingredient can be synthesized in the body can be hormones, such as testosterone and estrogen, men with prostate cancer women with breast cancer is best not to eat to avoid aggravating the condition.