For older people and frail people, the long-term benefit of medicines reduces and the potential for harm from adverse effects increases. When the benefit–risk balance changes in this way, medicine review and optimisation are important to simplify the therapeutic regimen, reduce inappropriate medicines and minimise risks. In this article, pharmacist prescriber Linda Bryant uses two case studies to illustrate important considerations during medicine reviews
Time travel and parallel timelines
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Time travel and parallel timelines
Wednesday 18 May 2022, 10:36 AM

Consistency paradoxes don’t merely imply time travel is a dangerous endeavour, they imply it simply cannot be possible [Image: Marc-Olivier Jodoin on Unsplash]
PHYSICS
The idea of time travel is an intriguing notion and one which science fiction has long explored. Barak Shoshany discusses the problems inherent in trying to make this a reality
Building a time machine seems to require exotic matter, which is matter with negative energy
Have you ever made a mistake that you wish you could
Kia ora and welcome to New Zealand Doctor Rata Aotearoa
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