Top 10 Foods That Are Toxic for Your Kidneys

CAFFEINE

Many people are guilty of dependency on coffee. You likely know that coffee in moderation can have some health benefits, but excess caffeine in coffee and other caffeinated drinks could cause damage. Caffeine is a stimulant and increases blood flow and blood pressure, which puts a strain on your kidneys. A study has also shown that it increases calcium output in the urine, which can cause kidney stones even in people who aren’t prone to having them. If you drink more than one cup of coffee a day, consider lowering your caffeine intake. You might try switching to other stimulants, such as ginseng and vitamin C supplements.

SHELLFISH

Though there are no studies done with humans, a study done with mice showed that shellfish causes kidney damage by way of domoic acid. Domoic acid is also known to cause brain damage at high levels. Contaminated shellfish eaten in large amounts is dangerous. Seafood typically only contain domoic acid in safe levels for the brain, but eating too much shellfish could be putting your kidneys at risk.

If you only eat shellfish on occasion, you shouldn’t worry too much. But people who eat seafood on a daily basis – such as those in Southeast Asian communities – could be at risk. Be sure that the shellfish you purchase is sourced and cleaned safely.

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