Diurnal cortisol tests measure your cortisol levels at various points, from the time you wake up until the time you go to bed. They can help a healthcare professional visualize your adrenal gland ...
Though my cortisol test results stressed me out, I'm glad I know more about how cortisol affects my health. Anna Gragert (she/her/hers) was previously the lifestyle editor at HelloGiggles, deputy ...
A thyroid-stimulating immunoglobulin (TSI) test is a blood test that can help diagnose Graves’ disease, an autoimmune condition that causes an overactive thyroid. A TSI test measures levels of TSIs in ...
Ferritin is a protein that stores and releases iron (a mineral) in the body. A ferritin test measures how much of this protein is in your blood, helping diagnose health conditions caused by too much ...
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How do I test my testosterone levels?
This article was reviewed by Felix Gussone, MD. If you’ve been feeling a bit more couch potato than go-getter lately, dragging through the day, snapping at people for no reason, or wondering where ...
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