Percentage of correct responses. Desired range on exam 0.3-0.8 (30% to 80% correct) Mean p value translates to mean % score on exam. Very difficult items (less than 30% correct) or very easy items (more than 80% correct) contribute very little. to the overall exam reliability.
Omega-3s, commonly called fish oil because of their primary source, have been shown to lessen the intensity of joint pain and stiffness in rheumatoid arthritis and neck and back pain, as well as pain caused by inflammatory bowel disease and menstrual cramps.
Here are eight foods that might help your aching joints. Certain types of fish are rich in oils called omega-3 fatty acids. These healthy fats block inflammation and help relieve the morning stiffness and joint tenderness associated with arthritis. Fish with the most omega-3 fats are salmon, tuna, herring, and mackerel.