Your kidneys are like the technical crew from the latest “Avengers” movie. They may not be the flashy superheroes, but without their unsung work, you don’t have a blockbuster. Your kidneys have the thankless but critical job of getting rid of waste and extra fluid. Plus, they keep your organs working.

When kidneys aren’t doing their jobs

Renal failure, also called kidney failure or kidney disease, happens when the kidneys are not working efficiently or effectively.

Get to know the signs of kidney failure!

So how do you turn up the volume on this silent killer? Dr. Jovan says to pay attention to these five signs of kidney failure:

• High blood pressure
• Changes in your urination habits
• Swelling, or edema
• Nausea, vomiting, and a decreased appetite
• Brain fog