Too much of this stress hormone may increase the risk of Type 2 diabetes and other conditions. But you can take action to keep cortisol in check.

This blood test determines whether your body can use and store glucose normally, a key indicator of metabolic health or dysfunction. Here’s what you need to know and how one doctor uses the test in her practice.

Traditionally considered problematic only along with gout or kidney stones, uric acid is now thought to play a key role in metabolic health.

ApoB reveals more about heart health than traditional cholesterol tests—but most people haven’t heard of it. Here’s why that's changing.

Unlike other blood sugar tests, HbA1c reflects your average glucose levels over time. Here's why it's a useful marker for minding blood sugar.