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Conventional electron microscopy (EM) involves dehydration, fixation, and staining of biological samples, which distorts the native state of biological molecules and results in several artifacts. Also, the high-energy electron beam damages the sample and makes it difficult to obtain high-resolution images. These issues can be addressed using cryo-EM, which uses frozen samples and gentler electron beams. The technique was developed by Jacques Dubochet, Joachim Frank, and Richard Henderson, for...
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A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by...
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Cryonics for all?

Tena Thau1

  • 1Department of Philosophy, University of Oxford, United Kingdom.

Bioethics
|February 11, 2020
PubMed
Summary

Governments should consider promoting cryonics, including financial support or encouragement, to extend life. This policy aims to benefit society, even addressing concerns about autonomy and potential suffering upon revival.

Area of Science:

  • Bioethics
  • Philosophy of Medicine
  • Public Policy

Background:

  • Recent philosophical arguments suggest cryonics is morally permissible and rational for those who can afford it.
  • The current accessibility of cryonics is limited by cost, raising questions about equitable distribution of life extension.

Purpose of the Study:

  • To construct a formal argument for government-supported cryonics promotion policies based on the principle of beneficence.
  • To address and refute objections related to autonomy, cost, population, and potential suffering of revived individuals.

Main Methods:

  • Formal argumentation derived from the principle of beneficence.
  • Ethical analysis of potential policy interventions for cryonics.
  • Consideration of counterarguments concerning individual autonomy, economic feasibility, and post-revival welfare.
Keywords:
cryonicshuman enhancementlife extension

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Main Results:

  • A case is made for government policies that promote cryonics, aligning with the principle of beneficence.
  • Arguments suggest that certain promotion policies can enhance, rather than violate, individual autonomy.
  • Objections based on cost and population size are deemed surmountable, though the risk of suffering upon revival presents a significant challenge.

Conclusions:

  • Promoting cryonics through public policy is ethically justifiable from a beneficence standpoint.
  • Further ethical deliberation is required to address the potential suffering of cryonically revived individuals.
  • The ethical and practical frameworks for widespread cryonics access warrant continued investigation and policy development.