Jan. 21, 2026 A major global study suggests that a hidden mismatch between two common blood tests could quietly signal serious trouble ahead. When results from creatinine and cystatin C—two markers ...

Sham Gad is a seasoned and well-respected financial journalist, as well as an expert in a wide variety of financial topics. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial ...