The study of nutrition may focus on how to prepare healthy foods, which diets can cause diseases or how to store different kinds of foods. The study of how foods affect people can be beneficial for nutritionists, health bloggers or personal trainers.

Croatia is a country where 40% of its citizens ranging between 18 and 35 years have attained higher learning education. The country has improved student’s life in these universities with a subsided living standard in these universities especially for both local and even international students.

Requirements for the PhD program often involve the student having already obtained a Master’s degree. Additionally, a thesis or dissertation primarily consisting of original academic research must be submitted. In some countries, this work may even need to be defended in front of a panel.