This may be because they only believe in what they have learned or experienced, and may not be ready to accept facts other than what they had. Like for example, when a nutritionist enters college and has been educated ketogeniks keto with the teaching that green beans can cause cancer, this same person will finish college with the belief that this food is bad for people's health. This will also cause him to share this information with his clients and other people he comes in contact with. And when after a few years, a particular person gets in the picture and debates that green beans does not cause cancer, do you think it is possible for the nutritionist ..

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