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.
Health Benefits of Sardines. Sardines are rich in omega-3 fatty acids. They are a nutrient-dense in calcium, magnesium, iron, phosphorus, potassium, zinc, copper, manganese, vitamin B12, selenium, vitamin D, COQ10, tryptophan and protein. A diet rich in omega-3 fatty acids reduces the risk of: Heart disease.