Spinal fusion surgery involves permanently joining two or more vertebrae to stabilize the spine and relieve chronic back pain.

Facelift surgery is a cosmetic procedure that lifts and tightens facial skin and muscles to reduce signs of aging.

The test measures the concentration of magnesium in the blood to assess overall magnesium status.

No, fasting is not typically required for this test.

Causes include poor dietary intake, gastrointestinal disorders, renal issues, and certain medications.

Yes, high levels can be harmful, often due to excessive supplementation or renal failure, and need medical evaluation.

A blood sample is taken from a vein, usually in the arm, and analyzed in a laboratory.