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 one of the best sources of calcium and vitamin D. Strengthens Bones: As mentioned, sardines are a good source of calcium, and regular calcium helps in strengthening bones. A good amount of calcium, coupled with exercise can strengthen bones and prevent diseases, such as osteoporosis, in the future.ardines generally come as canned fish and they are commonly known as canned sardines. Although sardines are regarded as a single species, there are actually 21 types of fish that can easily fall under the category of sardines.