A blood osmolality test measures the blood for the concentration of certain dissolved particles. This test can show whether a person has an irregular balance of fluids in their body. Osmolality tests ...

The anion gap blood test measures the acid-base and electrolyte balance in the blood. Results can show whether there is an imbalance in a person’s pH levels, which may be making the blood too acidic ...

What Is an MCHC Blood Test? A mean corpuscular hemoglobin concentration (MCHC) blood test measures the amount of a protein called hemoglobin in your red blood cells. It’s one of many measurements ...

Testing a person’s blood for a type of protein called phosphorylated tau, or p-tau, could be used to screen for Alzheimer’s disease with “high accuracy,” even before symptoms begin to show, a new ...

With two new treatments for Alzheimer’s disease approved in recent years, there’s growing hope for people at risk of the memory-robbing condition. But tests to detect the condition still lag behind.

Normal blood sugar levels are about 70-100 mg/dL. Your blood sugar will naturally fluctuate a bit throughout the day in response to food and other factors. However, it ideally stays within a set range ...