Brad Reisfeld is a professor of chemical and biological engineering, biomedical engineering, and public health at Colorado State University. Your blood serves numerous roles to maintain your health.

But new research suggests that a simple blood test may be able to predict osteoporosis risk, allowing doctors to intervene ...

Keeping your blood sugar in check is important for everyone—not just those living with diabetes. Consistently-high glucose can lead to a variety of health issues in both the short- and long-term, so ...

For most healthy women, optimal fasting insulin levels should be less than 25 mIU/L (milli-international units per liter), ...

Dr. Omar Al-Heeti is an assistant professor of medicine at Southern Illinois University and practices internal medicine with a specialty in infectious diseases. He received his medical degree from the ...

Doctors often say labs look “normal.” Dr. Mark Hyman explains why that doesn’t always reflect wellness, and what early ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...