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DTSTART;TZID=America/Los_Angeles:20260105T120000
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DTSTAMP:20260611T063056
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SUMMARY:Delaney Knorr\, Duke University -- Title: Evolutionary Constraints on Human Pregnancy: How Social Environments and Energetic Limits Shape Maternal-Fetal Health
DESCRIPTION:Abstract: Human pregnancy is an energetically demanding and socially embedded process that requires mothers to balance competing physiological needs while maintaining fetal development. In this talk\, I integrate biocultural and mechanistic approaches to examine how social\, ecological\, and energetic environments become biologically embedded during gestation. Drawing on mixed-methods research with Latina women in the U.S.\, I show how neighborhood context\, discrimination\, and sociopolitical stress shape maternal psychological distress\, and how support from allomothers buffers these effects. I then present evidence from immunological and placental biology indicating that maternal stress is linked to reductions in regulatory T cells and placental extracellular vesicles\, revealing potential pathways through which social experience influences maternal-fetal communication and immune tolerance. Finally\, I discuss findings from a project measuring total energy expenditure in pregnancy using doubly labeled water to test whether physical activity and psychosocial stress push gestation toward a metabolic ceiling. Together\, this work highlights how social environments and energetic constraints jointly structure maternal-fetal trade-offs. \nZoom link for those unable to attend in person: \nhttps://ucla.zoom.us/j/94308730584?pwd=0YGsaJFEdLd5cMsOhTh465nwJubz9o.1 \nMeeting ID: 943 0873 0584\nPasscode: 308291 \n 
URL:https://bec.ucla.edu/event/delaney-knorr-duke-university/
LOCATION:352 Haines Hall
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DTSTART;TZID=America/Los_Angeles:20260126T120000
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DTSTAMP:20260611T063056
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LAST-MODIFIED:20260106T205807Z
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SUMMARY:Katie Starkweather\, UCSB. Title: Climate Change\, Women's Work\, and Child Health in Bangladeshi Shodagor Communities
DESCRIPTION:Abstract: Climate change is a growing threat to population health globally\, with infants and young children living in low income and lower-and-middle income countries at particularly high risk of experiencing health and nutritional challenges. The sources of these challenges include alterations to breastfeeding practices\, decreased access to food\, due to lower crop and fishing yields and higher food prices\, and increased disease transmission\, as well as myriad other issues. In some cases\, women’s work may exacerbate challenges\, while in others it can buffer them\, and evolutionary theory provides a useful framework for understanding some of these nuanced differences. Traditionally boat-dwelling\, semi-nomadic Shodagor fisher-trader communities in rural Bangladesh are facing increasing exposure to extreme flooding and extreme heat. In my talk\, I will discuss recent studies examining the impacts of extreme weather on Shodagor children’s growth and nutritional outcomes. I will highlight the critical role that women’s work plays in shaping these outcomes\, including how work and breastfeeding practices interact in the face of extreme weather to influence child health. Finally\, I will discuss likely future implications for child growth and nutrition of continued increasing extreme weather events for Shodagor communities\, in Bangladesh\, and across the Global South. \nhttps://kathrinestarkweather.com/ \nZoom link: \nhttps://ucla.zoom.us/j/94308730584?pwd=0YGsaJFEdLd5cMsOhTh465nwJubz9o.1 \nMeeting ID: 943 0873 0584\nPasscode: 308291 \n 
URL:https://bec.ucla.edu/event/katie-starkweather-ucsb/
LOCATION:352 Haines Hall
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