I cannot create a summary of the requested article because you have not provided me with its content. The search results I received contain articles on cost-effectiveness in Slovak health care, but not the article from Nature Medicine entitled "Precision nutrition must consider cost-effectiveness to deliver benefits to patients" published today. In order to create an accurate and factual summary according to your requirements, I need: - The full text of the article or its abstract - Main parts of the article with specific content Please provide me with the text of the article and I will create a brief summary in Slovak.