Recently in the Space Medicine Category

To what extent has Earth's gravity shaped our cognitive and brain functions?

Long-duration space flight alters fluid-filled spaces along veins and arteries in the brain, according to new research from Oregon Health & Science University and scientists across the country.

During almost two-years of the COVID-19 pandemic, the growth of telemedicine and new ways of reaching people has changed and developed. In October 2021, NASA flight surgeon Dr. Josef Schmid, industry partner AEXA Aerospace CEO Fernando De La Pena Llaca, and their teams were the first humans "holoported" from Earth into space.

Scientists from the U.S., Europe and Russia are part of a team releasing the results of a large collaborative study involving the effects of long duration spaceflight on the brain. It appears in the Proceedings of the National Academy of Sciences.

During Campaign 6, Mission 1, crew member Christopher Roberts takes a spin on a stationary bicycle inside the exercise area of the Human Exploration Research Analog, or HERA.

ESA: 3D-printed Bone

This artificial bone sample is an early step towards making 3D bioprinting a practical tool for emergency medicine in space.

A change in the volume of red blood cells has been documented in astronauts since the earliest space missions.

A change in the volume of red blood cells has been documented in astronauts since the earliest space missions.

A new study published in Frontiers in Neural Circuits is the first to analyze the structural connectivity changes that happen in the brain after long-duration spaceflight.

Blood Disc For Astronaut Diagnosis

Specially designed to operate in weightlessness, this diagnostic disc can identify diabetes, cardiovascular disease and high cholesterol from a single drop of astronaut blood.

Hibernate For A Trip To Mars, The Bear Way

When packing for a return flight to the Red Planet, space engineers account for around two years' worth of food and water for the crew.

ESA astronaut Matthias Maurer sets up the Microage experiment from the UK Space Agency and University of Liverpool.

Colonizing Mars is no longer solely the work of science fiction but a potential future option for people who desire to live among the weightless.

The latest findings of a series of studies on mice that examined harmful effects caused by spending time in space show that gene expression related to liver metabolism is altered in response to the space environment.

In a paper published with Frontiers, researchers in Russia observed volunteers in isolation attempting to replicate life in deep space to see how it would impact their mood and communication styles.

Studying Wound Healing In Hypergravity

A team of students from the SCK•CEN (Belgian nuclear research centre) located in Mol, Belgium, began their hypergravity research campaign at ESA's Large Diameter Centrifuge (LDC) at ESTEC on 27 September and successfully completed their experiment on 1 October.

The ESA-owned Short Arm Human Centrifuge has been upgraded, installed and inaugurated at the Olympic Sport Centre Planica facility near Kranjska Gora, Slovenia.

This week 20 women are tucking themselves in a waterbed for five days as part of a dry immersion study to recreate some of the effects of spaceflight on the body.

On Wednesday, Inspiration4 became the first all-civilian space flight to orbit Earth. During their three days in space, crew members Jared Issacman, Sian Procter, Hayley Arceneaux, and Chris Sembroski will see some incredible views from the Dragon capsule's cupola.

Deep space is most likely going to be humanity's final frontier, and space travel will undoubtedly become much more common in the future.

In many situations, heart muscle cells do not respond to external stresses in the same ways that skeletal muscle cells do.

NASA astronaut and Expedition 65 Flight Engineer Megan McArthur works on the Cardinal Muscle investigation in the Life Sciences Glovebox aboard the International Space Station.

NASA astronaut and Expedition 65 Flight Engineer Mark Vande Hei performs microscopy operations to capture images of the Cardinal Muscle investigation BioCells wells aboard the International Space Station.

To protect astronauts from cancer-causing radiation in space, NASA should proceed with proposals to set a universal career-long radiation dose limit of ~600 millisieverts (mSv), says a new report from the National Academies of Sciences, Engineering, and Medicine.

Microgravity in space perturbs human physiology and is detrimental for astronaut health, a fact first realized during early Apollo missions when astronauts experienced inner ear disturbances, heart arrhythmia, low blood pressure, dehydration, and loss of calcium from their bones after their missions.

Most of us have imagined how free it would feel to float around, like an astronaut, in conditions of reduced gravity.

A technology-packed tank top offers a simple, effective way to track astronauts' vital signs and physiological changes during spaceflight, according to research being presented at the American Physiological Society annual meeting during the Experimental Biology (EB) 2021 meeting, held virtually April 27-30.

With NASA preparing to send humans to Mars in the 2030s, researchers are studying the physical effects of spending long periods in space.

Living for nearly 2 months in simulated weightlessness has a modest but widespread negative effect on cognitive performance that may not be counteracted by short periods of artificial gravity, finds a new study published in Frontiers in Physiology.

Astronauts face many challenges to their health, due to the exceptional conditions of spaceflight. Among these are a variety of infectious microbes that can attack their suppressed immune systems.

What feels like up may actually be some other direction depending on how our brains process our orientation, according to psychology researchers at York University's Faculty of Health.

Human spaceflight has been fascinating man for centuries, representing the intangible need to explore the unknown, challenge new frontiers, advance technology and push scientific boundaries further.

Scientists have made significant progress in understanding the sources of radiation events that could impact human space-flight operations.

"It's exciting. I love this stuff!" said Bashar Badran, Ph.D. "This is so fun."

Spending long periods of time in space can wreak havoc on space traveler health, including negative effects on metabolism, bone and muscle health, gastrointestinal health, immunity and mental health.

'Mighty mice' Stay Musclebound In Space

Astronauts face a very difficult challenge in space. In microgravity, their muscles and bones weaken over time.

An $844,000 Australian Space Agency grant will fund several advanced prototype and concept compression space suits, each designed to protect astronauts from the physical strains of space missions.

A study of female astronauts has assessed the risk of blood clots associated with spaceflight.

Extended periods in space have long been known to cause vision problems in astronauts.

Serena Auñón-Chancellor, M.D., M.P.H., Clinical Associate Professor of Medicine at LSU Health New Orleans School of Medicine's branch campus in Baton Rouge, is the lead author of a paper describing a previously unrecognized risk of spaceflight discovered during a study of astronauts involved in long-duration missions.

Members of a polar research expedition have provided researchers from Charité - Universitätsmedizin Berlin and the Max Planck Institute for Human Development with an opportunity to study the effects of social isolation and extreme environmental conditions on the human brain.

Question: Is long-duration exposure to weightlessness associated with impaired cerebral venous outflow and increased risk of jugular venous thrombosis?

Fans of science fiction movies such as Avatar, Aliens, Passengers and 2001: A Space Odyssey all know the concept: space travel to far destinations require humans to hibernate.

A new Northwestern University study discovered that spaceflight -- both aboard a space shuttle or the International Space Station (ISS) -- has a consistent effect on the gut microbiome.

Microgravity Changes Brain Connectivity

An international team of Russian and Belgian researchers, including scientists from HSE University, has found out that space travel has a significant impact on the brain: they discovered that cosmonauts demonstrate changes in brain connectivity related to perception and movement.

Astronomers Help Wage War On Cancer

Techniques developed by astronomers could help in the fight against breast and skin cancer.

Space Travel And Your Joints

A novel Henry Ford Hospital study of mice aboard a Russian spaceflight may raise an intriguing question for the astronauts of tomorrow: Could traveling in space be bad for your joints?

An X-ray machine which uses space technology to generate crystal clear images that doctors can use to detect the early signs of cancer has been prioritised for €1.2m of funding by the European Space Agency and the UK Space Agency.

Staying Fit In Space

Astronauts work out for around 90 minutes a day onboard the International Space Station to combat the muscle and bone weakening effects of microgravity.

Herpes viruses reactivate in more than half of crew aboard Space Shuttle and International Space Station missions, according to NASA research published in Frontiers in Microbiology.

Planning a trip to Mars? You'll want to remember your anti-radiation pills.

The Project Mercury astronauts were military test pilots on active duty who volunteered for these missions.

Before we can run or jump, we walk. Before sending humans to Mars, NASA must understand how the human body is affected by living and working in space.

It's been 55 years since NASA astronaut John Glenn successfully launched into space to complete three orbits aboard the Friendship 7 Mercury spacecraft, becoming the first American to orbit the Earth.

NASA Studies Simulated Radiation

In each life a little rain must fall, but in space, one of the biggest risks to astronauts' health is radiation "rain".

MRIs before and after space missions reveal that astronauts' brains compress and expand during spaceflight, according to a University of Michigan study.

Preliminary research results for the NASA Twins Study debuted at NASA's Human Research Program's annual Investigators' Workshop in Galveston, Texas the week of January 23.

Every day, NASA spacecraft beam down hundreds of petabytes of data, all of which has to be codified, stored and distributed to scientists across the globe.

Members of the successful Apollo space program are experiencing higher rates of cardiovascular problems that are thought to be caused by their exposure to deep space radiation, according to a Florida State University researcher.

Just when you think you've seen it all, our eyes look to be victims of a low-gravity environments, too.

Since the beginning of the space program, astronauts have dealt with the realities of spaceflight from microgravity in weak muscles and space radiation, to sleep deprivation and disorientation.

Studying How Humans Respond To Space Travel

What happens to your body in space? NASA's Human Research Program has been unfolding answers for over a decade.

In space, there is no "up" or "down." That can mess with the human brain and affect the way people move and think in space.

For 28 hours, six subjects will remain lying down and tilted at 12 degrees so their heads are lower than their legs. At times, they live and sleep in a carbon dioxide enriched atmosphere.

In 2011, a report from a National Academy of Sciences' decadal survey emphasized the need to examine and understand the influences that sex and gender have on physiological and psychological or behavioral changes that occur during spaceflight.

Researchers have a good idea what causes immune system changes on Earth--think stress, inadequate sleep and improper nutrition.

Those who travel to space are rewarded with a beautiful sight - planet Earth. But the effects of space travel on the human sense of sight aren't so beautiful.

Finding the key to immunity in Space

Living in space weakens astronauts' immune systems, researchers have discovered. The findings are providing clues on how to tackle diseases on Earth before symptoms appear.

New research in the FASEB Journal suggests that a major cause of low blood pressure during standing is the compromised ability of arteries and veins to constrict normally and return blood back to the heart.

Eating the right diet and exercising hard in space helps protect International Space Station astronauts' bones, a finding that may help solve one of the key problems facing future explorers heading beyond low Earth orbit.

The effect of spaceflight on a microscopic worm -- Caenorhabditis elegans (C. elegans) -- could help it to live longer. The discovery was made by an international group of scientists studying the loss of bone and muscle mass experienced by astronauts after extended flights in space.

Are your bones getting stronger or weaker? Right now, it's hard to know. Scientists at Arizona State University and NASA are taking on this medical challenge by developing and applying a technique that originated in the Earth sciences.

New results from research on the International Space Station are offering clues on why astronauts' immune systems don't work as well in space. The findings may benefit the elderly on Earth.

New research in the FASEB Journal suggests that the 5-lipoxygenase enzyme mediates microgravity-induced lymphocyte programmed cell death and its inhibition could help astronauts and the elderly.

Just the mention of kidney stones can cause a person to cringe. They are often painful and sometimes difficult to remove, and 10 percent of the population will suffer from them. In space, the risk of developing kidney stones is exacerbated due to environmental conditions. The health risk is compounded by the fact that resource limitations and distance from Earth could restrict treatment options.