Contents. 1  Inflammatory joint effusion AND Stiff hip: Causes of All Symptoms. 2  Inflammatory joint effusion OR Stiff hip: Causes of Any Symptom. 3  Inflammatory joint effusion: Causes. 4  Inflammatory joint effusion: Introduction. 5  Stiff hip: Causes. 6  Stiff hip: Introduction.
Sardines are an important part of the food chain. Jupiterimages/Photos.com/Getty Images. Sardines live in large schools that may contain thousands of fish. They typically feed on plankton and are close to the bottom of the food chain; many different kinds of predators eat sardines, including humans.
Sardines are rich in vitamins and minerals. A small serving of sardines once a day can provide 13% of vitamin B2; roughly one-quarter of niacin, and about 150% of the recommended daily value of vitamin B12.ardines are a nutrient-rich fish commonly consumed by humans. They are commonly served in cans, but fresh sardines are often grilled, pickled, or smoked.