Issue 4 - Paint the Base of Your Thumb

No Big Deal / Red Flag: Thumb base pain from CMC arthritis vs. De Quervain's — and the self-test that tells you which one you're dealing with. Clinical Depth: Why new parents, gamers, and fly fishermen all develop the same condition — and why cortisone works here. Safety Officer Ben: Layering is not about warmth — it's about physiology.