COVID vaccine trials for young children; COVID's mental health toll on Indigenous communities; should bilateral cataract surgery be done on the same day?; and the link between bone loss and cognitive

Right now overseas, several covid vaccines are being trialled in children as young as babies 6 months of age. So how long will it be until younger kids can get vaccinated? How pandemic prevention measures have been particularly tough on the mental health of Aboriginal and Torres Strait Islander people. Cataract surgery can and is sometimes done in both eyes on the same day. But what does a review of the data tell us about whether this is best? And a puzzling link between two things that can cause disability as we age: cognitive decline, and fractures.