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Astronauts suffer a DECADE’S worth of bone loss due to low gravity in space

The lack of gravity in space could damage astronauts’ bones more than previously thought.

A long sojourn in the microgravity of space could affect astronauts’ bones even a year after they return to Earth, according to a new study.

Outer space can have many negative effects on the human body

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Outer space can have many negative effects on the human bodyPhoto credit: Getty
According to research, the structure of bones can be permanently changed by space travel

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According to research, the structure of bones can be permanently changed by space travelPhoto credit: Dr. Steven Boyd

University of Calgary biomedical engineer Steven Boyd led the new international research.

His team scanned the bones of 17 astronauts.

Among them were 14 males and three females.

Her bones were tested before and after time in space.

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They were scanned six months and one year after return.

It was not uncommon to see bone loss in the astronauts, as we already know that microgravity can have this effect.

What was unusual was how long it took the astronauts to return to their original bone strength.

Fortunately, scientists believe they have a solution to the problem.

That solution is deadlifts.

Boyd explained, “Different types of exercise have different effects.

“Although the bone is affected by loading, impact loading is better than continuous loading.”

The researchers used advanced scanning technology to examine the bones and believe they helped them draw new conclusions than older research.

Boyd added: “It’s a whole series of struts and rods, all connected together to add strength to the bones.

“With this technology we can see these struts and rods and we can then measure how they are affected by spaceflight and what happens when you return to Earth.”

Unfortunately, some of this internal structure in the bone doesn’t come back after a return from space.

Though astronauts can work to regain their bone strength, Boyd says “the actual underlying structure could be permanently altered.”

The new research could help space agencies design effective space training programs so astronauts are protected.

This is especially useful for long space missions.

It’s expected that a Mars mission could take two to three years, and that’s a lot of time to be in space.

The study was published in Scientific Reports.

What happens to bones in space?

Scientists have known for decades that space weakens human bones.

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The NASA website explains: “Nasa has found that without the influence of gravity on the human body, supporting bones lose an average of 1% to 1.5% of mineral density per month during a space flight.

“After returning to Earth, bone loss may not be fully corrected by rehabilitation, but their fracture risk is no higher.”

https://www.the-sun.com/tech/5682696/astronauts-weak-bones-space/ Astronauts suffer a DECADE’S worth of bone loss due to low gravity in space

Chris Barrese

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