Shrimp
Onions combined with shrimp will form calcium oxalate, which increases the risk of calcium-oxalate stone formation affecting your health. Therefore, when cooking, no matter how much shrimp you like, you should not cook shrimp with onions lest cause illness in people.
Fish
In the nutritional composition of fish contains many nutrients, very rich in protein, extremely good for your health. But if you combine with onions will cause the protein of the fish to precipitate, settle in the stomach, not only reduce nutrients, but also cause indigestion, bloating affecting your health. In addition, when you combine fish and onions, the omega 3 in fish reduces nutritional value.
Seaweed
In the nutritional composition of seaweed contains iodine and calcium which are very good for your health. But if you combine seaweed and onions at the same time, there is a risk of kidney stones. In addition, if you combine seaweed with onions can cause indigestion, digestive disorders.
Honey
Onions and honey are two incompatible foods, you should not use these two at the same time to bring the disaster to the body. If you use these two foods at the same time you will affect your health.
Especially if eaten in large amounts, it can cause eye degeneration, which can make you blind. Therefore, you absolutely should not use these two foods at the same time lest regret not in time.