Longevity

Apolipoprotein B Blood Test: Normal Ranges, Cau...

What Is Apolipoprotein B? Apolipoprotein B (ApoB) is the primary protein component of all atherogenic (artery-clogging) lipoproteins - including low-density lipoprotein (LDL), very-low-density lipoprotein (VLDL), intermediate-density lipoprotein (IDL), and lipoprotein(a)....

Apolipoprotein A1 Blood Test: Normal Ranges, Ca...

What Is Apolipoprotein A1? Apolipoprotein A1 (ApoA1) is the primary protein component of high-density lipoprotein (HDL) - often referred to as "good cholesterol." ApoA1 makes up approximately 70% of the...

AMH (Anti-Mullerian Hormone) Blood Test: Normal...

What Is Anti-Mullerian Hormone (AMH)? Anti-Mullerian hormone (AMH) is a glycoprotein hormone produced by the granulosa cells of small growing follicles in the ovaries. It serves as the most reliable...

Anti-CCP Blood Test: Normal Ranges, Causes & Wh...

What Is Anti-CCP? Anti-CCP (anti-cyclic citrullinated peptide) antibodies are autoantibodies - immune proteins that mistakenly target your own body's tissues rather than foreign invaders. Specifically, anti-CCP antibodies target proteins that...

Amylase Blood Test: Normal Ranges, Causes & Wha...

What Is Amylase? Amylase is a digestive enzyme responsible for breaking down starch and complex carbohydrates into simpler sugars, primarily maltose and glucose, that your body can absorb and use...

ALT (Alanine Aminotransferase) Blood Test: Norm...

What Is ALT (Alanine Aminotransferase)? Alanine aminotransferase (ALT), sometimes referred to as SGPT (serum glutamic-pyruvic transaminase) in older literature, is an enzyme found predominantly in liver cells (hepatocytes). While small...