Otolaryngologist, head and neck surgeon Francis T. Hall discusses the evaluation of thyroid nodules, which primarily aims to determine the likelihood of malignancy. He then reviews the treatment of thyroid nodules and thyroid cancer, including recent advances in management
Dealing with health hazards of toxic gases generated by volcanic and geothermal activity
Dealing with health hazards of toxic gases generated by volcanic and geothermal activity

OCCUPATIONAL HEALTH
The eruption at Whakaari/White Island would have emitted sulphur dioxide, among other hazards. Hydrogen sulphide is another dangerous gas that has been responsible for a number of deaths in New Zealand. Occupational health expert David McBride discusses the health effects of these two gases
Kia ora and welcome to New Zealand Doctor Rata Aotearoa
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References:
1. Nairn IA, Houghton BF, Cole JW. Volcanic hazards at White Island, 2nd ed. Palmerston North: Ministry of Civil Defence; 1996. https://bit.ly/2GhzRZ0
2. Jiang J, Chan A, Ali S, et al. Hydrogen sulphide–Mechanisms of toxicity and development of an antidote. Sci Rep 2016;6:20831.