Why do humans crave sugary foods?

Why do humans crave sugary foods? Shouldn’t evolution lead us to crave healthy foods?
“Write an essay (with introduction and conclusion) on the suggested topic.
Your introduction should include the thesis statement – main idea of the paper . Don’t include any new information in the conclusion. It should  restate the thesis statement of the paper.
Support your ideas with relevant arguments and examples (in-text citations). List 2-3 sources in the references. Make sure you stick to a required formatting style. Get benefits of these sources citationmachine.net and easybib.com.
MLA format – https://owl.english.purdue.edu/owl/resource/747/01/ https://owl.purdue.edu/owl/research_and_citation/mla_style/mla_formatting_and_style_guide/mla_in_text_citations_the_basics.html”