Posted on 12/12/2018 9:30:21 PM PST by BenLurkin
Research has shown that time in space can increase the risk of cancer and trigger gene mutations. But a new study has found that one crucial part of the human body remains unaffected by zero-gravity.
in space didnt alter an astronauts levels of B-cell immunity the white blood cells that create antibodies to fight off infections. B-cell levels need to be maintained in order to help astronauts fight off disease-causing viruses and bacteria.
For the study, scientists took blood samples from 23 crew members stationed at the International Space Station for six months, before, during and after their stays. The samples were collected over 18 different ISS missions and included astronauts between 37- and 57-years-old. Results were then compared to a control group that stayed on Earth.
(Excerpt) Read more at foxnews.com ...
*ping*
Zero gravity hasn’t been the main worry. It’s the cosmic radiation.
You mean the entirety is less important than a certain part?
Okay, one thing not harmed, a whole laundry list of known other things harmed.
Calcium depletion in the bones and radiation are the only two concerns I’m aware of. Are there others?
Basically one of those taxpayer wasting “One of these things is not like the other?” Research studies outlined by about 3,000 episodes of Sesame Street.
Finding Sigorney Weaver is part of your crew?
As long as it’s Sigorney Weaver from Alien and not Avatar. Tree huggers can be worse than Xenomorphs.
Think of the horror of being at the ISS and your resupply ship arrives with Tom Hanks, Sigorney Weaver, and Paul Reiser as your new crew mates.
“No respect I tell ya’’. “Ya know the only bad thing about a man gettin’ old is ya get stiff every where expect where it counts!’’
At the present state of our ability to lift probes to Mars and payloads and costs of the payloads man has no business on Mars or for that matter the Moon.
Our robotic missions can do the job at a fraction of the costs. When it is “very cheap” with future technology a human does have a place on these missions when it is of much lower cost. Humans do not have a place on these missions today due to costs.
We will walk on Mars one day. It will not be with current technology.
To lift a human payload to Mars the vast majority of the payload will be to just to keep the human or humans alive. It would be an aberration of rational science with our current technology. This will probably change in the future but it is not today.
Oddly with our current technology we could put a man on Mars at incredible costs and little science would be gained much like our missions to the moon. Our missions to the Moon were an incredible feat. All the science of those missions could have been done at fraction of the cost compared to robotic missions.
Putting a man on the Moon was political and not scientific.
Perhaps. But robots are not capable of improvising their strategy to handle new discoveries that occur on the spot. They are limited to their original programming. But putting people on Mars will be nothing like the moon. A launch window for Mars using a Hohmann transfer only occurs about every 2 years. It takes about six months just to make the trip. So a manned mission will have to spend six months in space, a year on Mars, and another six months in space to get back. Not like the 5 day trip to the moon. With nuclear engines we wouldn’t need to bother with a Hohmann transfer, so maybe it’s better to wait.
Thanks fieldmarshaldj. More proof that no one has ever orbited the Flat Earth.
Wait, did I say proof? I meant, spoof.
The first "manned" trip to Mars might be all=female.
That’s OK, Mars needs women.
gene mutations>>>>>>>
I once knew a woman named Jean Mutaciones. She radiated a room when she entered.
It’s actually important to know that astronauts are not going to lose their acquired immunity to diseases if they spend a prolonged period of time in space. Without B cells, their bodies do not make antibodies. And without antibodies, they are susceptible to every microorganism that comes along. So this is a little more complicated than merely “one group is not like the other.” (Which, come to think of it, is the basis of most scientific experimentation.)
Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.