What health problems can mercury cause?
Michael King
Updated on March 14, 2026
All Mercury is Toxic
Depending on the type and amount, exposures to mercury can damage the nervous system, kidneys, liver and immune system. Breathing mercury vapors can harm the nervous system, lungs and kidneys. Mercury vapors can pass easily from the lungs to the bloodstream.What damage does mercury do to the body?
Mercury and its compounds affect the central nervous system, kidneys, and liver and can disturb immune processes; cause tremors, impaired vision and hearing, paralysis, insomnia and emotional instability.What diseases can you get from mercury?
Mercury exposure is linked to health issues including poor brain function, anxiety, depression, heart disease and impaired infant development.What happens when you have a lot of mercury in your body?
Share on Pinterest Mercury poisoning may cause slow reflexes, damaged motor skills, and intelligence disorders. High levels of mercury in the blood may put a person at risk for long-term neurological damage. These effects may be more pronounced in children who are still developing.What is mercury poisoning like?
Symptoms of mercury poisoning depend on the form of the mercury that was the source of the exposure. Early symptoms of mercury poisoning can include a metallic taste in the mouth and numbness and tingling in the hands, feet and face.Mercury Exposure and Health Effects
What foods are highest in mercury?
Here are eight foods you should avoid to reduce your exposure to dietary mercury.
- Swordfish. A predatory fish that inhabits several ocean zones, swordfish is one of the highest sources of mercury. ...
- Shark. ...
- Tilefish. ...
- King Mackerel. ...
- Bigeye Tuna. ...
- Marlin. ...
- Orange Roughy. ...
- Chilean Sea Bass.
How does mercury affect the brain?
Many studies show that high exposure to mercury induces changes in the central nervous system, potentially resulting in irritability, fatigue, behavioral changes, tremors, headaches, hearing and cognitive loss, dysarthria, incoordination, hallucinations, and death.How many cans of tuna can you eat in a week?
Canned light tuna contains the least amount of mercury, and the FDA suggests limiting yourself to no more than 12 ounces a week, or no more than four 3-ounce cans.Does shrimp have mercury?
Five of the most commonly eaten fish that are low in mercury are shrimp, canned light tuna, salmon, pollock, and catfish. Another commonly eaten fish, albacore ("white") tuna has more mercury than canned light tuna.Is StarKist tuna healthy?
Best Overall Tuna: StarKist Albacore White Tuna in WaterStarKist albacore was juicy and bright with just the right level of salt. Packed in water, this brand is super healthy—it has 17 grams of protein, 60% of your vitamin 12 for the day and is just 80 calories per package.
Is salmon high in mercury?
Salmon is low in mercury.Both wild and farmed Atlantic salmon have much lower mercury levels than most other fish species. Farmed salmon has on average, 0.05 micrograms of mercury per gram.
What organ is affected by mercury?
Health effects of mercury exposureThe inhalation of mercury vapour can produce harmful effects on the nervous, digestive and immune systems, lungs and kidneys, and may be fatal. The inorganic salts of mercury are corrosive to the skin, eyes and gastrointestinal tract, and may induce kidney toxicity if ingested.
Does mercury affect memory?
Effects on Infants and ChildrenThese systems may be more vulnerable to methylmercury than the brains and nervous systems of adults are. Children exposed to methylmercury while they are in the womb can have impacts to their cognitive thinking, memory, attention, language, fine motor skills, and visual spatial skills.