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Dolphins learn foraging skills from peers

A study published in Current Biology found that dolphins can learn new foraging skills by observing and imitating their peers, not just their mothers. The researchers identified over 1,000 individual dolphins performing the behavior, which spreads primarily within social networks.

SourceCell Press·JournalCurrent Biology·DateJun 25, 2020

Shhhh, the whales are resting

Researchers from Aarhus University found that boat engines can disturb humpback whales, causing them to change behavior and reducing their resting time. The team recommends a 150 dB noise emission standard to minimize disturbance, ensuring whales receive some peace and quiet.

Maternal transmission of COVID-19 to baby during pregnancy is uncommon, study finds

A recent study published in BJOG: An International Journal of Obstetrics and Gynaecology found that COVID-19 transmission from mother to baby during pregnancy is rare. The research examined 49 studies involving 666 neonates and 655 women, revealing that only a small percentage of babies tested positive for COVID-19. Additionally, the s...

SourceUniversity of Nottingham·JournalBJOG An International Journal of Obstetrics & Gynaecology·DateJun 15, 2020

Discrimination may erase 'birthweight advantage' of black US immigrants in one generation

A recent study published by Princeton University researchers reveals that the 'healthy immigrant' effect experienced by foreign-born black women is lost within a single generation due to discrimination and inequality. In contrast, foreign-born Hispanic women maintain a modest advantage in birthweight across generations.

Extra choline may help pregnant women decrease negative effects of COVID-19 on their newborns

A new study suggests that taking extra choline supplements during pregnancy may mitigate the negative impact of viral respiratory infections, including COVID-19, on fetal brain development. Higher prenatal choline levels have been shown to protect the fetus's developing brain from the effects of virus infection.

SourceUniversity of Colorado Anschutz Medical Campus·JournalJournal of Psychiatric Research·DateJun 1, 2020

COVID-19 places added prenatal stress on mother and child that could have lasting impact

Research suggests that COVID-19 has added stress on mothers during pregnancy, affecting their mental health, and potentially impacting their child's future well-being. Four factors of prenatal maternal stress were identified: anxiety/depression, somatic, general affective symptoms, and pregnancy-specific worries.

SourceMcGill University·JournalJournal of the American Academy of Child & Adolescent Psychiatry·DateMay 11, 2020

Breastfeeding helps prevent mothers from developing diabetes after childbirth

A study by Korean researchers found that breastfeeding lowers maternal postpartum diabetes incidence and improves metabolic health through serotonin production. The research showed sustained improvements in pancreatic beta cells lasting years after lactation cessation, reducing the risk of developing diabetes.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalScience Translational Medicine·DateApr 29, 2020

A bad egg does good for its mother

Researchers at Northwestern University found that a damaged fertilized egg sends a molecular signal to the mother that protects her from cellular stress and environmental damage. This allows the mother to live longer and produce healthier eggs.

SourceNorthwestern University·JournalGenes & Development·DateApr 8, 2020

Infants born to mothers with COVID-19 in China

A study of 33 newborns born to mothers with COVID-19 in China found that most infants recovered from the illness, with no long-term health consequences reported. The research aimed to better understand the impact of maternal COVID-19 on infant health and provide insights for medical professionals.

SourceJAMA Network·JournalJAMA Pediatrics·DateMar 26, 2020

Labor after previous cesarean should be considered

A recent study published in BMC Pregnancy and Childbirth found that labor after cesarean (TOLAC) is a safe option for many women, with 64.1% opting for TOLAC and 91.3% experiencing successful vaginal births. Health professionals are advised to educate expectant mothers on the risks and benefits of each delivery option.

SourceBMC (BioMed Central)·JournalBMC Pregnancy and Childbirth·DateMar 23, 2020

How heartbreak and hardship shape growing old

A new study found that people who experienced the greatest levels of hardship, stress, and personal loss were five times more likely to experience a lower quality of life, with significantly more health and physical difficulties in later life. Those raised by emotionally cold mothers were also less likely to experience good quality of ...

SourceUniversity of East Anglia·JournalJournal of Public Health·DateMar 10, 2020

Leaving your baby to 'cry it out' has no adverse effects on child development

Researchers at the University of Warwick found that leaving babies to 'cry it out' does not affect their behavior or attachment, but may actually help them learn self-regulation and reduce crying duration. Parents who adapt to their baby's needs and wait before intervening can provide a safe space for their child to develop.

SourceUniversity of Warwick·JournalJournal of Child Psychology and Psychiatry·DateMar 10, 2020

Older beetle parents 'less flexible'

Researchers found that younger females adapt their reproductive strategy based on the size of the carcass available, while older females consistently put high effort into reproduction. This age-dependent plasticity in parental care allows younger beetles to conserve resources for future reproductive opportunities.

SourceUniversity of Exeter·JournalAnimal Behaviour·DateMar 6, 2020

Divorced parents may impact some teens' academics

A study found that adolescents with divorced parents have lower GPAs, especially those with more educated mothers. The researchers controlled for paternal education and income measures, revealing a stronger association between divorce and reduced GPA among teens with highly educated mothers.

SourcePLOS·JournalPLOS ONE·DateMar 4, 2020

Household chemical use linked to child language delays

A new study published in Clinical Pediatrics found that young children from low-income homes whose mothers used toxic household chemicals frequently showed delays in language development and scored lower on cognitive tests. The researchers analyzed data from 190 families and found no link between neighborhood pollution, mold, or pestic...

SourceOhio State University·JournalClinical Pediatrics·DateMar 4, 2020

Fetal balloon treatment for lung-damaging birth defect works best when fetal and maternal care are highly coordinated

Researchers from Johns Hopkins Center for Fetal Therapy report improved lung function in infants born after FETO therapy, which involves a minimally invasive procedure to block the fetal trachea. The study found that prenatal and postnatal monitoring and care were highly coordinated, allowing for favorable outcomes in the 14 infants born.

SourceJohns Hopkins Medicine·JournalObstetrics and Gynecology·DateFeb 19, 2020

Adolescent male chimps still need their mamas

A new study of wild chimpanzees finds that males whose mothers were present during their tween and teen years had higher odds of survival later in life. The study also suggests that adolescent males benefit from their mother's wealth of experience and knowledge, such as how to avoid predators or find food.

SourceDuke University·JournalBehavioral Ecology and Sociobiology·DateFeb 17, 2020