Astronauts Suni Williams and Butch Wilmore are back on Earth - but what has nine months in space done to them?

But this can also lead to swelling in the brain and changes in the eye, including to the optic nerve ... irreversible damage. Microgravity also distorts the vestibular system, which is how ...

NASA Astronaut Sunita Williams has returned to Earth after spending over 9 moths in space - under microgravity. Even though she is back, her body is yet to re-adjust to gravity. But there is another ...

Microgravity increases fluid retention in the brain, causing pressure on the optic nerve, which leads to blurred ... for any signs of radiation-induced damage, and Williams will likely undergo ...

Experts believe that the cause of these migraines is activation of the trigeminal nerve. This nerve is one ... at the same time as their headache. Vestibular migraine makes up 25% of headaches ...

All this liquid pools in the back of our eyes, causing a condition called oedema which impacts the optic nerve and can develop ... will die of cancer as well as damage their DNA and white blood ...

When the crystals enter the fluid-filled spaces in the inner ear responsible for balance, they can stimulate the balance nerve and cause vertigo ... Common misdiagnoses include vestibular neuritis and ...

Noise-induced hearing loss, or noise damage, is caused by damage to hair cells in the ears, which help create electrical signals from the sounds you hear. Those signals are then carried to the brain ...