* . *
  • About
  • Advertise
  • Privacy & Policy
  • Contact
Tuesday, July 15, 2025
Earth-News
  • Home
  • Business
  • Entertainment
    Entertainment Business Master’s Grad Launched Nonprofit to Nurture Emerging Artists – Full Sail University

    Entertainment Business Master’s Grad Launched Nonprofit to Nurture Emerging Artists – Full Sail University

    Review: At the Huntington, the New Hollywood String Quartet recalls legendary studio musicians – Los Angeles Times

    Review: At the Huntington, the New Hollywood String Quartet recalls legendary studio musicians – Los Angeles Times

    Kehoe repeals paid sick leave, allows several counties in the Ozarks to have entertainment districts in bill signings – KY3

    Kehoe repeals paid sick leave, allows several counties in the Ozarks to have entertainment districts in bill signings – KY3

    Emily Deschanel was scolded during “Bones” season 1 for being ‘late and unprepared’: ‘I was just beside myself’ – Yahoo

    Emily Deschanel was scolded during “Bones” season 1 for being ‘late and unprepared’: ‘I was just beside myself’ – Yahoo

    How you can see new movies early – Yahoo

    Unlock the Secret to Watching New Movies Before Everyone Else!

    Immersive sports and entertainment venue Cosm set to build its 5th location in Cleveland – WKYC

    Cosm Reveals Exciting Vision for Its 5th Immersive Sports and Entertainment Venue in Cleveland

  • General
  • Health
  • News

    Cracking the Code: Why China’s Economic Challenges Aren’t Shaking Markets, Unlike America’s” – Bloomberg

    Trump’s Narrow Window to Spread the Truth About Harris

    Trump’s Narrow Window to Spread the Truth About Harris

    Israel-Gaza war live updates: Hamas leader Ismail Haniyeh assassinated in Iran, group says

    Israel-Gaza war live updates: Hamas leader Ismail Haniyeh assassinated in Iran, group says

    PAP Boss to Niger Delta Youths, Stay Away from the Protest

    PAP Boss to Niger Delta Youths, Stay Away from the Protest

    Court Restricts Protests In Lagos To Freedom, Peace Park

    Court Restricts Protests In Lagos To Freedom, Peace Park

    Fans React to Jazz Jennings’ Inspiring Weight Loss Journey

    Fans React to Jazz Jennings’ Inspiring Weight Loss Journey

    Trending Tags

    • Trump Inauguration
    • United Stated
    • White House
    • Market Stories
    • Election Results
  • Science
  • Sports
  • Technology
    Guest columnist: China cutting corners on technology – The State Journal

    China’s Rapid Tech Advances Spark Worries About Cutting Corners

    Sentrycs’ Cyber Over RF technology integrated into Rafael’s combat-proven Drone Dome system – Defence Industry Europe

    Sentrycs’ Cyber Over RF Technology Boosts Rafael’s Battle-Tested Drone Dome System

    Nordic Air Defence raises $3 million to expand operations and advance drone defence technology – Defence Industry Europe

    Nordic Air Defence Lands $3 Million to Transform Drone Defense and Supercharge Operations

    China’s energy dominance in three charts – MIT Technology Review

    How China Is Powering Its Energy Dominance: A Visual Breakdown

    Meta Acquires AI Startup PlayAI to Enhance Voice Technology Capa – GuruFocus

    Meta Acquires AI Startup PlayAI to Revolutionize Voice Technology Capabilities

    Stallion Uranium Provides Update on Technology Data Acquisition Agreement – GlobeNewswire

    Stallion Uranium Announces Exciting Progress in Technology Data Acquisition Agreement

    Trending Tags

    • Nintendo Switch
    • CES 2017
    • Playstation 4 Pro
    • Mark Zuckerberg
No Result
View All Result
  • Home
  • Business
  • Entertainment
    Entertainment Business Master’s Grad Launched Nonprofit to Nurture Emerging Artists – Full Sail University

    Entertainment Business Master’s Grad Launched Nonprofit to Nurture Emerging Artists – Full Sail University

    Review: At the Huntington, the New Hollywood String Quartet recalls legendary studio musicians – Los Angeles Times

    Review: At the Huntington, the New Hollywood String Quartet recalls legendary studio musicians – Los Angeles Times

    Kehoe repeals paid sick leave, allows several counties in the Ozarks to have entertainment districts in bill signings – KY3

    Kehoe repeals paid sick leave, allows several counties in the Ozarks to have entertainment districts in bill signings – KY3

    Emily Deschanel was scolded during “Bones” season 1 for being ‘late and unprepared’: ‘I was just beside myself’ – Yahoo

    Emily Deschanel was scolded during “Bones” season 1 for being ‘late and unprepared’: ‘I was just beside myself’ – Yahoo

    How you can see new movies early – Yahoo

    Unlock the Secret to Watching New Movies Before Everyone Else!

    Immersive sports and entertainment venue Cosm set to build its 5th location in Cleveland – WKYC

    Cosm Reveals Exciting Vision for Its 5th Immersive Sports and Entertainment Venue in Cleveland

  • General
  • Health
  • News

    Cracking the Code: Why China’s Economic Challenges Aren’t Shaking Markets, Unlike America’s” – Bloomberg

    Trump’s Narrow Window to Spread the Truth About Harris

    Trump’s Narrow Window to Spread the Truth About Harris

    Israel-Gaza war live updates: Hamas leader Ismail Haniyeh assassinated in Iran, group says

    Israel-Gaza war live updates: Hamas leader Ismail Haniyeh assassinated in Iran, group says

    PAP Boss to Niger Delta Youths, Stay Away from the Protest

    PAP Boss to Niger Delta Youths, Stay Away from the Protest

    Court Restricts Protests In Lagos To Freedom, Peace Park

    Court Restricts Protests In Lagos To Freedom, Peace Park

    Fans React to Jazz Jennings’ Inspiring Weight Loss Journey

    Fans React to Jazz Jennings’ Inspiring Weight Loss Journey

    Trending Tags

    • Trump Inauguration
    • United Stated
    • White House
    • Market Stories
    • Election Results
  • Science
  • Sports
  • Technology
    Guest columnist: China cutting corners on technology – The State Journal

    China’s Rapid Tech Advances Spark Worries About Cutting Corners

    Sentrycs’ Cyber Over RF technology integrated into Rafael’s combat-proven Drone Dome system – Defence Industry Europe

    Sentrycs’ Cyber Over RF Technology Boosts Rafael’s Battle-Tested Drone Dome System

    Nordic Air Defence raises $3 million to expand operations and advance drone defence technology – Defence Industry Europe

    Nordic Air Defence Lands $3 Million to Transform Drone Defense and Supercharge Operations

    China’s energy dominance in three charts – MIT Technology Review

    How China Is Powering Its Energy Dominance: A Visual Breakdown

    Meta Acquires AI Startup PlayAI to Enhance Voice Technology Capa – GuruFocus

    Meta Acquires AI Startup PlayAI to Revolutionize Voice Technology Capabilities

    Stallion Uranium Provides Update on Technology Data Acquisition Agreement – GlobeNewswire

    Stallion Uranium Announces Exciting Progress in Technology Data Acquisition Agreement

    Trending Tags

    • Nintendo Switch
    • CES 2017
    • Playstation 4 Pro
    • Mark Zuckerberg
No Result
View All Result
Earth-News
No Result
View All Result
Home Science

Pregnancy may speed up ‘biological aging,’ study suggests

April 9, 2024
in Science
Pregnancy may speed up ‘biological aging,’ study suggests
Share on FacebookShare on Twitter

a pregnant woman wearing a pink dress walks by a colorful mural with her son holding her hand

A new study finds evidence that biological aging speeds up in young women who’ve had at least one pregnancy.
(Image credit: JOEL NITO/AFP via Getty Images)

Women in their early 20s who have been pregnant are “biologically older” than those who have never been pregnant, and by some measures, this age gap seems to widen in people who have had multiple pregnancies, a new study suggests.

The research, conducted in the Philippines, used various tools to look at people’s epigenetics, meaning the chemical tags attached to their DNA. These tags don’t change the DNA’s underlying code but rather help control which genes are activated and to what degree. The new study specifically looked at methyl groups, a type of molecule long linked to different aspects of the aging process.

By studying patterns of methylation seen throughout the human life span, scientists have created a number of “epigenetic clocks” that can be used to assess a person’s biological age. While chronological age simply reflects how long someone’s been alive, biological age reflects their physiological state and chances of age-related diseases and death.

“What epigenetic clocks are doing is they’re serving a predictive function rather than a sort of causal explanation,” said first study author Calen Ryan, an associate research scientist in the Columbia Aging Center. “They’re trained to predict things that we think of as representing aspects of aging.” So one clock may be designed to predict a person’s chronological age, while others predict a person’s likelihood of death and still others estimate the length of their telomeres, the protective caps at the end of DNA that keep it from fraying.

Related: ‘Biological aging’ speeds up in times of great stress, but it can be reversed during recovery

The research, published Monday (April 8) in the journal PNAS, used six different epigenetic clocks to make predictions about 1,735 young women and men in the Philippines. The full group had blood samples taken in 2005, between the ages of 20 and 22. A subset of the women — around 330 — who became pregnant in the years following their first blood sample also had a second sample taken about four to nine years afterward.

Across all of the clocks used, women who’d had at least one pregnancy showed accelerated aging compared with women with no pregnancy history, the analysis revealed; the pregnancies included those that resulted in miscarriages, stillbirths and live births. The pattern still showed up when the scientists controlled for other factors that also affect a person’s rate of biological aging, such as socioeconomic status, smoking history and some genetic risk factors.

Get the world’s most fascinating discoveries delivered straight to your inbox.

The researchers also found that women who’d had more pregnancies showed faster aging than those with fewer pregnancies “for all six of the clocks,” Ryan told Live Science. “We do not find that relationship among the men we looked at cross-sectionally.” In other words, the number of pregnancies a man fathered didn’t seem to affect the speed at which his epigenetic clock ticked.

(Notably, the men looked biologically older than the women overall, regardless of pregnancy status; it’s just that impregnanting people didn’t increase the men’s biological ages even higher. This pattern of biological aging in men is consistently seen across epigenetic-clock studies and may be connected to men generally dying at younger ages than women, Ryan said.)

The team then looked at the 330 women they followed over time, to see if there were differences between the women’s first and second blood samples. In that analysis, experiencing more pregnancies also was associated with faster aging compared with fewer pregnancies. However, this pattern showed up for only two of the six clocks — specifically the two designed to predict chronological age.

Based on all of these data, the team estimates that each pregnancy was tied to about 4 to 4.5 months of biological aging among the women in the study.

Related: Epigenetics linked to the maximum life spans of mammals

The study’s findings may have been affected by where it was conducted. For instance, people’s access to adequate nutrition, health care and social support during pregnancy vary throughout the Philippines, and these factors may influence the extent to which pregnancy influences aging. It’s also relevant that most epigenetic clocks have been confirmed to work well at tracking aging in white people in developed countries, but many clocks still need to be fully validated in people of other demographics elsewhere in the world, Ryan noted.

“They’re still basically our best measures yet,” but they could likely be improved for different populations, he said. More work is also needed to tease out the effects of parenting on aging from those tied to being pregnant and giving birth, the authors noted in their report.

In addition, “these women are quite young at the time of the sample,” Ryan said of the study participants. So it’s not clear if women who are older at the time of their first pregnancy would show the same patterns. That said, it was helpful for the team to study young women because the researchers were trying to see if biological aging tied to pregnancy could be seen early, before the health outcomes of accelerated age show up.

If you can catch this accelerated aging early, that could theoretically inform future treatments to help prevent or reverse the process, Ryan said — although at this early stage of research, it’s unclear what such treatments would entail.

Similar upticks in biological aging have been seen in some other contexts, but not all. For example, they’ve been observed among Filipino women in the U.S. but not in women in Finland. A recent Yale study also found that epigenetic clocks accelerate during pregnancy but that much of that effect disappears after the child’s birth, especially in people who breastfeed.

So “we do have decent evidence of biological aging being sped up from pregnancy, but maybe not in all contexts,” Ryan said.

For now, this new study is helping scientists start to unpack the impact of pregnancy on the aging process. Someday, though, it could pave the way for medical interventions.

“My hope is that we can start to maybe use tools like this [epigenetic clocks] to identify at-risk individuals,” meaning people who may age more with each pregnancy, Ryan said. If they can identify factors that help buffer against biological aging, scientists could potentially design interventions that mimic those factors in people more susceptible to it.

Ever wonder why some people build muscle more easily than others or why freckles come out in the sun? Send us your questions about how the human body works to community@livescience.com with the subject line “Health Desk Q,” and you may see your question answered on the website!

Nicoletta Lanese is the health channel editor at Live Science and was previously a news editor and staff writer at the site. She holds a graduate certificate in science communication from UC Santa Cruz and degrees in neuroscience and dance from the University of Florida. Her work has appeared in The Scientist, Science News, the Mercury News, Mongabay and Stanford Medicine Magazine, among other outlets. Based in NYC, she also remains heavily involved in dance and performs in local choreographers’ work.

>>> Read full article>>>
Copyright for syndicated content belongs to the linked Source : Live Science – https://www.livescience.com/health/ageing/pregnancy-may-speed-up-biological-aging-study-suggests

Tags: pregnancysciencespeed
Previous Post

Part of the San Andreas fault may be gearing up for an earthquake

Next Post

Justin Gaethje: ‘Max Holloway walks around heavier than I do’

Guest columnist: China cutting corners on technology – The State Journal

China’s Rapid Tech Advances Spark Worries About Cutting Corners

July 15, 2025
Fútbol fever: Students learn about sports management at Real Madrid – FIU News

Fútbol fever: Students learn about sports management at Real Madrid – FIU News

July 15, 2025
An ecological oasis sits in the center of San Juan Capistrano – Orange County Register

Uncover the Hidden Ecological Oasis at the Heart of San Juan Capistrano

July 15, 2025
Adorable Cat Helps Scientists Discover New Virus (For Second Time) – ScienceAlert

Adorable Cat Teams Up with Scientists to Uncover a New Virus-Again!

July 15, 2025
San Diego scientists try to unlock the secrets of cannabis – KPBS

San Diego Scientists Race to Unlock the Secrets of Cannabis

July 15, 2025
Lifestyle Lookout: NW Tune-Up, Bellingham PRIDE Parade, live music and more – My Bellingham Now

Get Ready for Exciting Events: NW Tune-Up, Bellingham PRIDE Parade, Live Music & More!

July 15, 2025
New York governor says World Cup prime target for drone attacks – Reuters

New York Governor Issues Stark Warning: World Cup at High Risk for Drone Attacks

July 15, 2025
Janet Yellen on the Danger of a “Banana Republic” Economy – The New Yorker

Janet Yellen Warns of the Risks Behind a “Banana Republic” Economy

July 15, 2025
Concert Will Celebrate Music Of Queen – CapeNews.net

Epic Concert to Celebrate the Timeless Music of Queen

July 15, 2025

How Your Age at Menarche Shapes Your Cardiometabolic and Reproductive Health Risks

July 15, 2025

Categories

Archives

July 2025
MTWTFSS
 123456
78910111213
14151617181920
21222324252627
28293031 
« Jun    
Earth-News.info

The Earth News is an independent English-language daily published Website from all around the World News

Browse by Category

  • Business (20,132)
  • Ecology (722)
  • Economy (744)
  • Entertainment (21,631)
  • General (15,904)
  • Health (9,782)
  • Lifestyle (752)
  • News (22,149)
  • People (746)
  • Politics (755)
  • Science (15,963)
  • Sports (21,243)
  • Technology (15,729)
  • World (728)

Recent News

Guest columnist: China cutting corners on technology – The State Journal

China’s Rapid Tech Advances Spark Worries About Cutting Corners

July 15, 2025
Fútbol fever: Students learn about sports management at Real Madrid – FIU News

Fútbol fever: Students learn about sports management at Real Madrid – FIU News

July 15, 2025
  • About
  • Advertise
  • Privacy & Policy
  • Contact

© 2023 earth-news.info

No Result
View All Result

© 2023 earth-news.info

No Result
View All Result

© 2023 earth-news.info

Go to mobile version