lives

He is 35 and lives in St. Louis, so it’s not like we live in an expensive city.

"Looking back, many of us feel our lives have been characterized by different phases. It turns out that brains also go through these eras," said senior author Prof Duncan Astle, Professor of Neuroinformatics at Cambridge.

The circulation of treasured possessions and an extraordinary sense of kindness can change lives.

His father Darren Lloyd has said it is "important to share Jack's story — that could help save lives".

In South Africa, where one in five adults lives with HIV, a Wits University research unit oversaw the rollout as part of an initiative funded by Unitaid, the United Nations health agency.