Jon Bell Health

Health Wearables That Actually Earn Their Place: A Data-Led Guide

I am not a gadget person. I am a former accountant who treats health like data. But over the past several years, three categories of wearable technology have genuinely changed how my clients understand their metabolic function, not because the devices are clever, but because they make the invisible visible.

What a Continuous Glucose Monitor Reveals That Blood Tests Cannot

In studies of adults without any diagnosis of diabetes or prediabetes, CGM data shows that glucose spikes above 140 mg/dL after meals are common and highly variable between individuals. The same food, in the same quantity, can produce a modest rise in one person and a significant spike in another. A single annual HbA1c cannot capture any of this.