Checking your blood sugar can feel like a major inconvenience—not to mention, if you’re using a finger-stick test, it can hurt, too. Yet, monitoring your glucose level is key for good diabetes ...

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 ...

Blood sugar tests measure the amount of glucose in your blood and help detect prediabetes, diabetes, and blood sugar ...

A diurnal cortisol test shows the pattern of cortisol levels, a biomarker for stress, throughout the day. Abnormal changes in cortisol levels may be an indicator of an underlying mental or physical ...

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 ...

Though my cortisol test results stressed me out, I'm glad I know more about how cortisol affects my health. Anna Gragert Senior Editor, Health and Home Anna Gragert (she/her/hers) was previously the ...