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Some suggestions for improvement as the article is expanded:
Espresso Addict 01:36, 13 July 2007 (UTC)
This article seems to read almost like a fan site. There are virtually no references given for the claims made about Hayflick's accomplishments. It is in dire need of an expert's attention. 2tuntony ( talk) 20:12, 24 August 2010 (UTC)
COMMENT re: Weismann-Swim-Hayflick Limit
The antiquated idea that lifespan might be determined by the limited capacity of somatic cells to divide was originated by the famous German biologist August Weismann in 1892 (1). Mechnikov, who coined the term “gerontology,” discussed Weismann’s theory of cell division limit in his book “Essais optimistes” published in 1907 (2). In the 1950s the first convincing experimental evidence that animal cells in culture cannot be propagated indefinitely was presented by Swim, Parker, and Haff from Western Reserve University School of Medicine (3 – 5), and their results were reproduced by Hayflick and Moorhead in 1961 (6). The popular press has persisted in using the term “The Hayflick Limit” to promote the scientifically naïve idea that the human lifespan is determined by a limited number of cell divisions, although the relevance of finite divisions by fibroblasts in culture to lifespan in an organism, e.g. a person, is highly questionable (7, 8, 9). The observation that many types of cells derived from normal tissue have a finite capacity to divide in culture might be more accurately termed the Weismann-Swim-Hayflick Limit (10).
MoJohn47 ( talk) 17:07, 25 August 2010 (UTC)MoJohn
MoJohn47's argument is a serious distortion of the facts. So much confusion here that I don't know where to start and it's not worth addressing each point. The Hayflick limit relates to the immortality of primary cells in culture. Arguments regarding the relevance of the Hayflick limit to organismal longevity belong elsewhere, not on this bio page.
C64rocks ( talk) 18:55, 19 January 2018 (UTC)
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Is there am Aging category? Does tagging him a biogerontolist sufficient? If there is a project template for the talk page, surely Hayflick's research at the cellular level qualifies. MaynardClark ( talk) 22:40, 11 December 2017 (UTC)
The present, deluxe version:
Hayflick is the author of the book, How and Why We Age, published in August 1994 by Ballantine Books, NYC and available since 1996 as a paperback. This book has been translated into nine languages and is published in Brazil, the Czech Republic, Germany, Hungary, Israel, Japan, Poland, Russia, and Spain. It was a selection of the Book of the Month Club and has sold over 50,000 copies worldwide.
A sufficient version:
Hayflick is the author of the book, How and Why We Age, published in August 1994. This book has been translated into nine languages and has sold
{{when}}
over 50,000 copies worldwide.
Especially with the lead already on the long side, this trim seems justified. — MaxEnt 20:49, 7 October 2018 (UTC)
This article must adhere to the biographies of living persons (BLP) policy, even if it is not a biography, because it contains material about living persons. Contentious material about living persons that is unsourced or poorly sourced must be removed immediately from the article and its talk page, especially if potentially libellous. If such material is repeatedly inserted, or if you have other concerns, please report the issue to this noticeboard.If you are a subject of this article, or acting on behalf of one, and you need help, please see this help page. |
![]() | This article is rated C-class on Wikipedia's
content assessment scale. It is of interest to the following WikiProjects: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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![]() | It is requested that a photograph be
included in this article to
improve its quality.
The external tool WordPress Openverse may be able to locate suitable images on Flickr and other web sites. |
Some suggestions for improvement as the article is expanded:
Espresso Addict 01:36, 13 July 2007 (UTC)
This article seems to read almost like a fan site. There are virtually no references given for the claims made about Hayflick's accomplishments. It is in dire need of an expert's attention. 2tuntony ( talk) 20:12, 24 August 2010 (UTC)
COMMENT re: Weismann-Swim-Hayflick Limit
The antiquated idea that lifespan might be determined by the limited capacity of somatic cells to divide was originated by the famous German biologist August Weismann in 1892 (1). Mechnikov, who coined the term “gerontology,” discussed Weismann’s theory of cell division limit in his book “Essais optimistes” published in 1907 (2). In the 1950s the first convincing experimental evidence that animal cells in culture cannot be propagated indefinitely was presented by Swim, Parker, and Haff from Western Reserve University School of Medicine (3 – 5), and their results were reproduced by Hayflick and Moorhead in 1961 (6). The popular press has persisted in using the term “The Hayflick Limit” to promote the scientifically naïve idea that the human lifespan is determined by a limited number of cell divisions, although the relevance of finite divisions by fibroblasts in culture to lifespan in an organism, e.g. a person, is highly questionable (7, 8, 9). The observation that many types of cells derived from normal tissue have a finite capacity to divide in culture might be more accurately termed the Weismann-Swim-Hayflick Limit (10).
MoJohn47 ( talk) 17:07, 25 August 2010 (UTC)MoJohn
MoJohn47's argument is a serious distortion of the facts. So much confusion here that I don't know where to start and it's not worth addressing each point. The Hayflick limit relates to the immortality of primary cells in culture. Arguments regarding the relevance of the Hayflick limit to organismal longevity belong elsewhere, not on this bio page.
C64rocks ( talk) 18:55, 19 January 2018 (UTC)
Hello fellow Wikipedians,
I have just modified one external link on Leonard Hayflick. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.
This message was posted before February 2018.
After February 2018, "External links modified" talk page sections are no longer generated or monitored by InternetArchiveBot. No special action is required regarding these talk page notices, other than
regular verification using the archive tool instructions below. Editors
have permission to delete these "External links modified" talk page sections if they want to de-clutter talk pages, but see the
RfC before doing mass systematic removals. This message is updated dynamically through the template {{
source check}}
(last update: 5 June 2024).
Cheers.— InternetArchiveBot ( Report bug) 22:11, 11 December 2017 (UTC)
Is there am Aging category? Does tagging him a biogerontolist sufficient? If there is a project template for the talk page, surely Hayflick's research at the cellular level qualifies. MaynardClark ( talk) 22:40, 11 December 2017 (UTC)
The present, deluxe version:
Hayflick is the author of the book, How and Why We Age, published in August 1994 by Ballantine Books, NYC and available since 1996 as a paperback. This book has been translated into nine languages and is published in Brazil, the Czech Republic, Germany, Hungary, Israel, Japan, Poland, Russia, and Spain. It was a selection of the Book of the Month Club and has sold over 50,000 copies worldwide.
A sufficient version:
Hayflick is the author of the book, How and Why We Age, published in August 1994. This book has been translated into nine languages and has sold
{{when}}
over 50,000 copies worldwide.
Especially with the lead already on the long side, this trim seems justified. — MaxEnt 20:49, 7 October 2018 (UTC)