The Proof with Simon Hill

Small blood vessels matter too | Michael Hill, PhD

9 snips
Jun 24, 2024
Join Simon Hill as he welcomes his dad, Professor Michael Hill, PhD, on the podcast. They discuss the importance of microvasculature in human health, research on small blood vessels, heart health, atherosclerosis, risk factors, and their personal journey as scientists. Topics also include advice on preventing atherosclerosis, dealing with health challenges, and the evolution of scientific research access.
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ANECDOTE

Early Diabetes Microvasculature Research

  • Michael Hill started his research interest in microvascular dysfunction by studying children with type 1 diabetes at a Melbourne hospital.
  • He focused on how diabetes causes blood vessel problems leading to complications in eyes and kidneys.
INSIGHT

Microvessel Diameter Controls Flow

  • Small blood vessels regulate their own diameter via smooth muscle contraction.
  • This diameter control critically manages local blood flow independently of nerves or hormones.
INSIGHT

Diameter Dominates Flow Control

  • Blood flow regulation is primarily controlled by vessel diameter rather than blood viscosity.
  • Understanding vessel diameter control led Michael Hill to seek new techniques to study microcirculation.
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