A master student of nutritional science can learn the relationships between diet and human health. There are many factors that can contribute to nutrition, and they may include how food interacts with the body, physical differences in diet and epidemiological factors.

Mexico, officially the United Mexican States, is a federal constitutional republic in North America. Working may require a work visa, which is difficult to get if you just want to freelance for a short time. Most of the government funded universities on mayor cities (state capital) have short courses on history, gastronomy and cultural subjects, most of them are almost free.

Online or distance learning refers to the use of electronic media and information and communication technologies (ICT) in education. With online learning, one can access education at any time and from any location with an available internet connection.