How bad is canned tuna for you?
Research has shown that high exposure to mercury can cause serious health problems in humans, including impairments to the central nervous system ( 13 , 14 ). Because tuna eat other small fish that may already be contaminated with mercury, this metal may collect and concentrate in tuna.
Is canned tuna carcinogenic?
However, tinned sardines and tuna do offer a variety of health benefits, including omega 3 fatty acids. Canned food is unlikely to be a cause of cancer when consumed as part of a balanced diet.
How long does mercury from tuna stay in the body?
Mercury does not stay in the body forever. It takes about six months to a year to leave the bloodstream once exposure stops. Some researchers think mercury can permanently damage the nervous system in children.
Is eating canned tuna everyday bad for You?
The bad news is that these contaminants are found worldwide — from Brazil to Ghana to Iran. The bottom line is that, while tuna fish is healthy and delicious, there are no benefits to eating it every day. Excessive consumption of tuna, even canned tuna, is bad for your long-term health.
What is the healthiest type of canned tuna?
The healthiest variety of tuna to eat is canned light tuna. This type of tuna contains between 0.17 grams and 0.24 grams of omega-3 fatty acids and 0.12 parts per million of mercury. Although higher than the other fish choices, this level is still considered acceptable even for children and pregnant women.
Is canned tuna a healthy food choice?
Canned tuna is among the healthiest, most affordable sources of protein you can buy. The fish is rich in anti-inflammatory, heart-protective omega-3 fatty acids, contains anywhere between 20 and 25 grams of protein per can, is rich in vitamin D, and is low in carbs.
Which types of tuna are safe to eat?
How Often Is it Safe to Eat Tuna? Light Tuna. Canned light tuna contains the fewest omega-3s, but it is also the type of tuna that is typically lowest in mercury, with about 0.12 parts per million, according Albacore Tuna. The tuna used to make canned albacore tuna are usually relatively large, and thus contain more mercury than canned chunk light tuna. Tuna Steaks. Considerations.