As a lifelong health and fitness enthusiast with 15 years of experience, Rachel MacPherson is passionate about cutting through fads and noise. Her aim is to clearly communicate health information with ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: Preparing properly for lab tests helps ensure your results are accurate and reliable. Some tests — ...

Sarah is an experienced writer and editor enthusiastic about helping readers live their healthiest and happiest lives. Before joining Forbes Health, Sarah worked as a writer for various digital ...

Higher than normal blood ammonia levels are called hyperammonemia. Acceptable levels depend on age and sex but range from about 42 µg/dL in infants to 200 µg/dL adults assigned male at birth. When you ...