Putative Exercise Hormone Irisin Boosts Mouse Brainpower
Putative Exercise Hormone Irisin Boosts Mouse Brainpower
Sophie Fessl | Sep 10, 2021
Mice lacking irisin didn’t exhibit the cognition improvements that typically follow exercise, and in mouse models of Alzheimer’s disease, treatment with the hormone reduced cognitive decline.
Hormones May Contribute to Asymmetrical Effects of Brain Injury
Hormones May Contribute to Asymmetrical Effects of Brain Injury
Catherine Offord | Sep 2, 2021
Researchers studying rats claim to have found a novel connection between damage on one side of the brain and problems with the posture or movement of limbs on the opposite side of the body.
Infographic: Bodily Systems Affected by Long COVID
Infographic: Bodily Systems Affected by Long COVID
Sruthi S. Balakrishnan | Sep 1, 2021
Symptoms documented in cases of long COVID are wide ranging and variable.
Mechanosensory Protein Helps Tendons Stiffen After Exercise
Mechanosensory Protein Helps Tendons Stiffen After Exercise
Catherine Offord | Sep 1, 2021
Researchers identify a role for PIEZO1 in tendon adaptation, and show that people with certain versions of the Piezo1 gene tend to be better jumpers.
Posies, Poison, and Periods, Early 1920s
Posies, Poison, and Periods, Early 1920s
Annie Melchor | Sep 1, 2021
Centuries of folklore backed by scientists in the early 1900s have perpetuated the idea that menstruating women can exert dangerous forces.
Mechanisms of Long COVID Remain Unknown but Data Are Rolling In
Mechanisms of Long COVID Remain Unknown but Data Are Rolling In
Sruthi S. Balakrishnan | Sep 1, 2021
A year and a half into the pandemic, the long-term effects of SARS-CoV-2 infection are garnering more research attention as millions of long COVID patients emerge.
Fat Cells Send Mitochondrial Distress Signals to the Heart
Fat Cells Send Mitochondrial Distress Signals to the Heart
Ruth Williams | Aug 20, 2021
Vesicles containing fragments of the organelles released from stressed adipocytes protect the heart against oxygen deprivation, a study in mice shows.
Aubrey de Grey on Leave After Sexual Harassment Allegations
Aubrey de Grey on Leave After Sexual Harassment Allegations
Jef Akst | Aug 11, 2021
Last night, two women publicly accused the famed anti-aging researcher of inappropriately bringing up sex in the workplace, and they say they are not his only victims.
Fat Tissue Reorganizes During Pregnancy
Fat Tissue Reorganizes During Pregnancy
Catherine Offord | Aug 1, 2021
Researchers identify a protein that promotes changes in adipose tissue in vitro and in pregnant mice and may help protect against gestational diabetes in humans.
Exercising During Pregnancy Protects Mouse Offspring
Exercising During Pregnancy Protects Mouse Offspring
Jack J. Lee | Aug 1, 2021
Obese mice that exercised while pregnant gave birth to pups that grew up free of the metabolic issues present in the adult young of sedentary obese mothers—possibly by staving off epigenetic changes to a key metabolic gene.
Birth of Midwifery, Circa 100 CE
Birth of Midwifery, Circa 100 CE
Lisa Winter | Aug 1, 2021
Soranus of Ephesus’s manual shaped the way midwifery was practiced for more than a millennium.
Infographic: Research Questions to Be Tackled by Uterus Transplants
Infographic: Research Questions to Be Tackled by Uterus Transplants
Jef Akst | Aug 1, 2021
Scientists are banking various samples from recipients of donated uteruses to learn all they can about the biology of the organ, and about transplantation more generally.
Opinion: Treating Infertility as a Disease
Opinion: Treating Infertility as a Disease
Kate O'Neill | Aug 1, 2021
For too long, a physiological inability to conceive or carry a child through to birth has been seen as a minor medical issue.
A New View of My Own Past
A New View of My Own Past
Jef Akst | Aug 1, 2021
Hearing others’ perspectives on infertility and pregnancy has me reconsidering my own reproductive journey.
Researchers Head to the Hills to Study Pregnancy
Researchers Head to the Hills to Study Pregnancy
Amanda Heidt | Aug 1, 2021
High altitude is a natural laboratory for investigating pregnancy complications, such as preeclampsia and gestational hypertension, that restrict a fetus’s oxygen supply.
Infographic: How Pregnancy Changes Fat Tissue
Infographic: How Pregnancy Changes Fat Tissue
Catherine Offord | Aug 1, 2021
Researchers propose a mechanism by which a protein produced in the placenta may trigger blood vessel growth and enlarge fat cells.