Our Changing World: Lead bullets – a health risk to humans and kea
Kea.
Photo: Tim Norman
Dr Eric Buenz is a biomedical researcher at NMIT, the Nelson Marlborough Institute of Technology. He's also a recreational hunter.
For the past decade Eric and his colleague Professor Gareth Parry have been interested in lead and its impact on human and animal health, with a focus on lead ammunition.
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Every year in New Zealand, recreational hunters shoot more than half a million wild game animals. Eric says three types of ammunition are used with centrefire rifles: lead bullets, lead-free copper bullets, and - most commonly - copper-jacketed bullets with a lead core.
Lead is a very useful metal. It is soft, versatile and cheap. It is also very toxic. The World Health O...









