Health Report Daylight saving: Can changing clocks harm your health?
Oct 3, 2025
Dr. Pav Naniyakara, a minimally invasive gynaecological surgeon, delves into the complexities of polycystic ovary syndrome (PCOS) and advocates for a name change to better reflect its multi-system impacts. The discussion also touches on the health consequences of daylight saving time, linking clock changes to increased risks of obesity and stroke. The episode takes an insightful tour of the Australian Centre for Disease Preparedness, emphasizing its critical role in public health and emerging disease threats.
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Use Only Regulated Melatonin Products
- Avoid buying unregulated melatonin products from overseas retailers because ingredient and dose may be wrong.
- Use TGA-registered melatonin and consult a GP for safe prescriptions for children or shift work.
Retraction Underscores Research Skepticism
- A high-profile apple cider vinegar weight-loss paper was retracted due to multiple errors and criticisms.
- The episode highlights the need for skepticism, even with peer-reviewed journals.
Permanent Standard Time Eases Circadian Strain
- Jamie Zeitzer's modelling shows permanent standard time causes less circadian pressure than permanent daylight or biannual shifts.
- The model predicts small population effects on obesity and stroke that add up to substantial public-health impacts.