Eating Shark Fins Is Unhealthy – Science Says


Eating Shark Fins Is Sickening, Science Says

Not only are there no health benefits to eating shark fin, but new research shows that they are loaded with mercury and heavy metals that are 42 times higher than safe levels for humans. Another reason to retire this tradition – eliminating the inhumane finning of live sharks who are left to sink to the bottom of the ocean and drown. – Global Animal

California lawmakers have proposed a ban on the possession and sale of shark fins — the key ingredient of shark fin soup, an ancient and prized Chinese dish. The law is intended to curtail the shark finning industry, which involves the brutal hacking off of the dorsal and pectoral fins of millions of live sharks each year.

But is there something to be gained from eating shark fins that outweighs the gross environmental harm caused by obtaining them?

Not really.

For centuries in China, shark fins were believed to contain the essence of virility, wealth and power. Apparently, though, those qualities are tasteless: Even their biggest fans admit that the fins themselves don’t have much flavor. Rather than being delicious, shark fins are loved for their texture, which is often described as “chewy,” “sinewy” and “stringy.” Texture is highly valued in general in Asian cuisine, but even so, probably doesn’t justify shark slaughter all by itself.

As for nutrition, according to resources at the Food and Nutrition Information Center, the fins don’t have much of that. They are mostly made of cartilage, which is largely devoid of vitamins.

Alternative medicine proponents say shark cartilage has cancer-fighting properties, a claim that has its origins in a mistaken belief that sharks do not get cancer. They do, though, and according to the National Cancer Institute, only one randomized clinical study on shark cartilage as a human cancer treatment has been published in a peer-reviewed journal, and it showed the cartilage to be ineffective.

“We tested whether a pharmaceutical that was an extract of shark cartilage would increase survival in lung cancer patients,” said Charles Lu, an oncologist at the M.D. Anderson Cancer Center in Houston who led that study in 2010. He and his colleagues supplemented normal chemotherapy treatment with doses of the shark extract in a randomized subset of 397 patients. “Unfortunately we saw no improvement in survival in [that subset],” Lu told Life’s Little Mysteries, a sister site to LiveScience.

In fact, shark fins can be extremely unhealthy. Like many other fish products, they have been known to contain dangerously high levels of mercury. Mercury comes from ocean pollution, and, at the top of the food chain, sharks retain higher levels of the substance than most marine creatures.

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