Why “normal range” doesn’t always mean healthy on your lab results Your doctor says everything looks fine, but you still feel ...

Urine tests measure specific substances in your urine, such as electrolytes, proteins, and bacteria. These tests can reveal a lot about your health, particularly when gradual changes or big jumps ...

Men with a PSA level above the median for their age group are at higher risk for prostate cancer. The concept of what is "normal" enters into nearly every aspect of clinical decision making. For ...

Dear Dr. Roach: I have been confused about what normal blood pressure is for me (or anyone). I know there are some issues on what normal is today, but let us say that normal is 120/80 mm Hg. Does this ...

Normal BP is typically less than 120/80 mm Hg. Both high (hypertension) and low (hypotension) pressure can cause health ...