NASA considers SANS one of its ‘red risks’ for a Mars mission, owing to its potential severity and the number of astronauts ...

The way we shop, do our banking, watch TV and listen to music is unrecognisable from 30 years ago – yet as a doctor, the way I do tests, treat patients and predict their outcomes is stuck in the ...

Yellow or green discharge (pus) in the eye The eyelids are stuck (matted) together with pus after sleep After being wiped away, the pus comes back during the day Often caused by a bacterial eye ...

However, it's easy to dismiss persistent issues as normal, which can lead to more serious ... The GP also noted that 'eye floaters' are fairly common, with most people seeing the occasional ...

Abstract: Early retinal vascular changes in diseases such as diabetic retinopathy often occur at a microscopic level. Accurate evaluation of retinal vascular networks at a micro-level could ...