
Nature Podcast
Pregnancy's effect on 'biological' age, polite birds, and the carbon cost of home-grown veg
Apr 3, 2024
Pregnancy can advance 'biological' age, but giving birth reverses it; birds show polite gestures; home-grown veg has higher carbon footprint than commercial farms; upcoming total solar eclipse's scientific experiments and learning opportunities
24:32
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Quick takeaways
- Pregnancy can impact 'biological' age by altering DNA methylation levels, which can partially reverse postpartum.
- Birds like Japanese tits display symbolic gestures signaling 'after you,' showcasing potential cognitive complexity in animal communication.
Deep dives
Aging, Pregnancy, and Biological Age
Pregnancy can impact biological age by increasing methylation levels, leading to a perceived aging effect. However, postpartum, this increase can be partially reversed. Methylation, an epigenetic process, plays a key role in determining biological age, influenced by factors like stress, disease, and now, pregnancy.
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