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 a type of small oily fish. They are often sold canned and are rich sources of omega-3 fatty acids, vitamin D, calcium and protein.Canned sardines have their heads removed and are cooked by steaming or deep-frying.They are then dried and packed in vegetable oil, brine or sauce. A typical water-packed can of sardines contains around 140 calories, 20 grams of protein and 7 grams of fat. Sardines packed in oil contain more fat and calories.ew foods provide vitamin D, and canned sardines are one of them. This vitamin is synthesized in the skin during exposure to sunlight; however, people living in areas away from the equator or who do not expose themselves frequently to the sun, may become deficient in this vitamin.