Though mercury levels in light tuna tend to be low on average, it’s clear from CR’s data that there can be unpredictable spikes of the toxin in individual cans.

But tuna is one of the best places for them to get Omega-3s,” said Boches. The restriction also applies to children and the elderly. Omega-3 fatty acids are considered essential to human health.

Tuna is a popular and nutritious saltwater fish, but you may worry about its mercury content. This article reviews mercury in tuna and tells you whether it’s safe to eat this fish.

It suggests that kids stick to light or skipjack tuna and eat low-mercury fish in limited quantities. Editor's note: This story has been updated to correct a line comparing light tuna to albacore.

According to the Food and Drug Administration (FDA), children aged 2–10 can have up to 1 ounce (28 grams) of low mercury fish, including light and skipjack canned tuna, two to three times per week .

But tuna is one of the best places for them to get Omega-3s,” said Boches. The restriction also applies to children and the elderly. Omega-3 fatty acids are considered essential to human health.

But light tuna is not a good choice, said Crupain, due to a strong likelihood that it may contain high levels of mercury. "We just don't think it's necessary for pregnant women to take any risks." ...

Tuna’s one big health drawback, experts say, is the risk posed by mercury, a neurotoxin. This heavy metal enters the ocean mostly from human activities like burning fossil fuels.

From the department of #butilovetunamelts comes this depressing news: The Consumers Union recently analyzed 42 samples of packaged tuna, and found that about half a can of white (albacore) tuna ...

Clark Carrington, an fda official, told the agency’s Food Advisory Committee that in drawing up three categories for fish—high, medium, and low mercury—agency staffers had crafted the ...

Tuna is also a low-calorie, high-protein option at just 142 calories for a single can and 32 grams of protein. Unlike other high-protein foods, tuna has just a trace of saturated fat.