Dr Aaron Holley argues that skeletal muscle — not just heart and lungs — is a key, often missed driver of activity intolerance, and may hold the answer to unexplained dyspnea.

A multimillion-pound industry has sprung up promising it can detect sensitivities to certain ingredients with a simple remote finger prick test. But the results can be misleading – and even dangerous ...

If it’s been a few years since you tested for food intolerances, it might be worth retesting to see if you still need to avoid those foods. Perhaps you’ve been avoiding eggs, soy, lactose, gluten, or ...