Humans are hardwired to focus on the left digit in numbers. It’s why products are priced at $3.99 instead of $4.00. But does this left-digit bias also affect medical decisions? Host Bapu Jena is joined by a fellow researcher and a cardiologist to explain how left-digit bias shows up in one of the most important decisions a doctor can make, what it means for patients, and what we can do about it.