HEALTHY LIFESTYLE

High bilirubin on a blood test can raise concerns about liver disease, but an elevated result does not necessarily mean something is seriously wrong.

RDW stands for red cell distribution width. It reflects how much your red blood cells vary in size. A higher RDW means there is more variation than usual, which can sometimes provide an early clue that something may be affecting red blood cell production or development.

MCV blood test high? Learn what an elevated MCV means, common causes, and why your doctor may order additional blood tests.

MCV blood test high? Learn what an elevated MCV may mean, common causes, and why your doctor may order additional tests.

High AST Normal ALT can be puzzling. Dr. Kevin Lowe explains when macro-AST may be responsible, how laboratories test for it, and why clinical context matters.

Protein in the urine may be temporary, but persistent protein or albumin can be an early warning of kidney damage—even when routine kidney blood tests still appear normal.

Although a high BUN can occur when the kidneys are not filtering effectively, kidney disease is not the only possible explanation

But when someone has megaloblastic or unexplained macrocytic anemia, taking folic acid without considering vitamin B12 deficiency can sometimes hide an important clue.

Vitamin B12 plays a critical role in the nervous system, blood cell production, and important metabolic reactions throughout the body. But vit B12 deficiency can develop gradually, and symptoms may appear before the diagnosis becomes obvious.

A low GFR can be frightening. If your GFR or eGFR is decreasing, does that mean your kidneys will inevitably continue to fail?

Learn what low albumin means, its common causes, possible symptoms, and why a low albumin blood test may be an important warning sign.

A high TSH often suggests hypothyroidism, while a low TSH may point toward hyperthyroidism—but thyroid test results are not always that simple. T

An elevated ESR, also known as the erythrocyte sedimentation rate or sedimentation rate, can be an important clue that inflammation is present in the body. But ESR alone cannot tell you what is causing that inflammation

The IGRA blood test looks for an immune response to tuberculosis-related proteins, but it does not automatically tell you whether you have latent TB infection or active TB disease.

In this video, Dr. Kevin Lowe explains the TIBC blood test (Total Iron Binding Capacity), what it measures, and how it helps doctors evaluate iron deficiency.

While many individuals focus on reducing fat and cholesterol in their diets, they often overlook how certain carbohydrates affect blood sugar levels.

Many people assume that high ferritin simply means they have too much iron in their body.

Your cholesterol numbers look fine — but are you actually safe?

Many people are reassured when their LDL cholesterol appears “normal,” yet some still go on to develop heart disease, heart attacks, and strokes. Why does this happen?

Why were standard calcium supplements failing? And how could a hidden problem in the digestive system slowly weaken someone’s bones to the point of fracture?