Normal Cholesterol Levels: Fasting vs. Nonfasting Results

Normal cholesterol ranges vary by age and gender. Understand the differences between fasting and nonfasting tests and how to naturally raise good cholesterol.

What Are Normal TSH (Thyroid) Levels?

Published Aug,14 2017 | By Cindy Johnson

Thyroid stimulating hormone (TSH) levels evaluate the functioning of the thyroid gland. TSH instructs the thyroid to produce thyroid hormone. High TSH levels indicate that the thyroid is underactive, and a low TSH means the thyroid is overactive.