In this task, you will be shown a passage. You need to write a fill-in-the-gap question based on your understanding of the events that might be inferred from the passage. Your question should be answerable based on the passage and only have one correct answer. Show the gap in your question with a _ .

Seafood is very healthy to eat -- all things considered. Fish and shellfish are an important source of protein, vitamins and minerals, and they are low in saturated fat. But seafood's claim to fame is its omega-3 fatty acids, docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), all of which are beneficial to health. The U.S. Dietary Guidelines for Americans strongly suggest that adults eat two servings of seafood, or a total of eight ounces, per week. Omega-3s are today's darling of the nutrition world, and many observational studies have indeed shown them to benefit a range of conditions such as high blood pressure, stroke, certain cancers, asthma, Type 2 diabetes and Alzheimer's disease.Most Americans eat plenty of protein, but not enough of it is from seafoodAmid concerns over mercury pollution and sustainability, how do you choose?
One of the things I research is _' meat and protein consumption.