Background A 65-year-old woman presented with decreased oral intake, a reduced level of consciousness, hypercalcemia and hypernatremia. She had previously received lithium for 20 years for a ...

Even "normal" kidney test results may mask hidden risks if theyre unusually low for your age and sex, signaling higher ...

Understanding your creatinine levels is important for monitoring kidney function. When you go for your yearly check-up, you'll likely have a routine blood test for creatinine. In some ...

Your doctor says everything looks fine, but you still feel terrible. The problem might not be your health but how labs define “normal.” Understanding the difference between normal and optimal could ...

Labs calculate normal by testing everyone who walks through the door, including patients with undiagnosed conditions and chronic diseases. The middle 95 percent becomes the reference range, whether ...

Your home can feel stuffy, chilly, or perfectly “normal” even when the thermostat barely moves, and humidity is the quiet reason why. Once you understand the narrow band of moisture that keeps air ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including ...

Not long ago I received an urgent phone call from a patient, a 67-year-old investment broker, anxiously asking, "What's with this high potassium value? Should I make out my will?" Under a new federal ...

Prediabetes means your blood sugar is higher than typical but not high enough for a type 2 diabetes diagnosis. You may also experience insulin resistance and sometimes dark skin patches with ...

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Back in 1993, WIRED’s founders published a manifesto offering some guidance. “Our first instruction to our writers: Amaze us … tell us something we've never heard before, in a way we've never seen ...