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A key ingredient in red wine could alleviate the negative effects of future long missions to Mars, like muscle atrophy, according to NASA researchers.
Spaceflight missions of extended duration result in astronaut deconditioning, or a decrease in muscle mass and losses in bone density.
Resveratrol - Skin - Grapes - Strength - Rats
Resveratrol, found in the skin of grapes, substantially supported strength in rats exposed to the wasting effects of a simulated Mars gravity.
The compound was shown to preserve bone and muscle mass in rats, which were used in the experiment, in microgravity during spaceflight.
Effects - Remedy - Muscles - Bones - Space
Its anti-inflammatory and anti-oxidative effects could act as a remedy for muscles and bones weaken which weaken in space the absence of gravity.
So, the team have hypothesised that a moderate daily dose for humans could help mitigate muscle deconditioning in a Mars gravity as well.
Astronauts - Mars - Cent - Pull - Earth
To allow astronauts On Mars, which has only 40 per cent the gravitational pull of Earth, mitigating strategies will be needed to prevent muscle de-conditioning.
'After just 3 weeks in space, the human soleus muscle shrinks by a third,' said Dr Marie Mortreux, lead author of the study.
Loss - Muscle - Fibers - Endurance
'This is accompanied by a loss of slow-twitch muscle fibers, which are needed for endurance.'
'Dietary strategies could be key especially since astronauts travelling to Mars won't have access to the type of exercise machines deployed on the ISS.'
Mars - Gravity - Rats - Harness - Chain
To mimic Mars gravity, the rats were fitted with a full-body harness and suspended by a chain from their cage ceiling.
For 14 days they were exposed to either normal Earth gravity or that...
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