here it is the explanation ……^^
However, if overdo have arthritis (this disease is now attacking not only the old-oldwomen, but also the young), it is advisable to eat lots of fish that contain healthyfats, aka omega 3, such as salmon, tuna, sardines, and mackerel.
Professor of nutrition at the University of New Hampsire advised to eat 2-3 times a week, and higher benefits when cooked with ginger.
If you do not want to bother, just buy fresh fish fillets in the supermarket. If you wantfried coat with salt, pepper, and grated ginger, let stand for 5 minutes, then fried.Or add sliced steamed with ginger, salt, and garlic. To remove fishy odor, flushwith water squeezed lime.