The pH of blood refers to how acidic it is. Changes to blood pH can signal underlying medical issues, including metabolic acidosis, respiratory acidosis, metabolic alkalosis, and respiratory alkalosis ...

Troponin refers to three different proteins that help regulate the contractions of the heart and skeletal muscles. Normal troponin levels range from 0 to 0.04 nanograms per milliliter (ng/ml). The ...

Becky Brown is a professional writer whose mission it is to empower readers. She tells stories that help people make smart, informed decisions about their health and lives. She’s covered everything ...

Wendy Wisner is a journalist and international board certified lactation consultant (IBCLC). She has written about all things pregnancy, maternal/child health, parenting, and general health and ...

Serotonin deficiency occurs when serotonin doesn’t act as well as it should in your body. This can happen if your body doesn’t produce enough serotonin or if it doesn’t use serotonin efficiently.

Hemoglobin is a protein in red blood cells. It carries oxygen around your body, delivering it to tissues. Hemoglobin also carries carbon dioxide to the lungs so you can breathe it out. Iron is a part ...

Testosterone levels are at their highest during adolescence and early adulthood. Testosterone levels may start to decline after age 30 years in males and between ages 45 and 55 years in females.

One of the challenges of diabetes management is maintaining consistent blood sugar (glucose) levels. They can fluctuate even when you’re being careful. And it’s not just carb intake that can cause ...