Coffee consumption link to reduced risk of acute kidney injury, study finds (22% reduction with two to three cups of coffee a day)

Medical Xpress / Johns Hopkins University School of Medicine / Kidney International Reports ^ | June 2, 2022 | Kalie L. Tommerdahl et al

[ConservativeMind]

If you need another reason to start the day drinking a cup of joe, a recent study has revealed that consuming at least one cup of coffee a day may reduce the risk of acute kidney injury (AKI) when compared to those who do not drink coffee.

The findings show that those who drank any quantity of coffee every day had a 15% lower risk of AKI, with the largest reductions observed in the group that drank two to three cups a day (a 22%–23% lower risk).

AKI is a "sudden episode of kidney failure or kidney damage that happens within a few hours or a few days." This causes waste products to build up in the blood, making it hard for kidneys to maintain the correct balance of fluids in the body.

AKI symptoms differ depending on the cause and may include: too little urine leaving the body; swelling in the legs and ankles, and around the eyes; fatigue; shortness of breath; confusion; nausea; chest pain; and in severe cases, seizures or coma. The disorder is most commonly seen in hospitalized patients whose kidneys are affected by medical and surgical stress and complications.

"We suspect that the reason for coffee's impact on AKI risk may be that either biologically active compounds combined with caffeine or just the caffeine itself improves perfusion and oxygen utilization within the kidneys," says Parikh. "Good kidney function and tolerance to AKI—is dependent on a steady blood supply and oxygen."

"Caffeine has been postulated to inhibit the production of molecules that cause chemical imbalances and the use of too much oxygen in the kidneys," he explains. "Perhaps caffeine helps the kidneys maintain a more stable system."

[ConservativeMind]

AKI is a difficult condition to prevent, so this is a strangely positive item to note.

[ConservativeMind]

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[DIRTYSECRET]

Come on. everyone drinks 2-3 a day. What’s new?

[telescope115]

A nice positive thing to know. After my liver transplant last year, they keep a close eye on my liver and kidney functions thru blood work. It’s nice to know my 2 cups of coffee a day can have a positive impact.

[packagingguy]

Plant polyphenols once again found to be beneficial. From what I’ve seen grapes, olives, green tea and coffee are some of the best superfoods.

[JonPreston]

Just had a cup, in fact.

[oldasrocks]

I should have 200% protection then.