Psychological research is a research conducted systematically by psychologist for analysis of the experiences and behaviors of people or group of people. This kind of research can have application in various fields including education, occupation and clinical environments.
Psychologist use many research methods, this methods are categorized by the kind of data produced. it can be either qualitative or quantitative. other techniques utilized in this field of research is experimental methods, where test subjects are introduced, observational methods where observation technique is utilized and finally the descriptive methods that is employed when description based on observation theories is eminent in explanation of cases.
Change in diet can override the genetic abnormalities. the gene influences disease incidences and progression. nutrient control is important in gene expression. this is evident from the kind of lifestyle we live, where one can choose to be on a diet to control weight, despite the gene expression of the family to be obese. Therefore, diet can impact how certain genes are expressed among people.