The decision is a blow for the pharmaceutical companies that have been fighting the growing use of Avastin for age-related wet macular degeneration.
It can, however, recommend which drugs should be used in a treatment guideline – and it is now preparing one on macular degeneration.
Co-author Dr Catherine Verfaillie, from the University of Leuven in Belgium, said: "IPSC models can now be used to better understand dementia, and in particular frontotemporal dementia, and might lead to the development of drugs that can curtail or slow down the degeneration of cortical neurons".
But frequent sleep deprivation over four years can have drastic long-term consequences, unleashing a neurological cycle of degeneration.
In 2013, the WHO put Avastin for macular degeneration on its list of essential medicines that every country should be able to offer its people.
But deep brain interfaces may lie some way in the future.At present, the Stanford group is more concerned with developing a visual prosthesis to help people who suffer from macular degeneration (a leading cause of blindness in people over 60) and retinitis pigmentosa (a genetic disorder that affects night and peripheral vision).
Conditions such as ALS (Lou Gehrig's disease) and Alzheimer's disease are characterised by the gradual degeneration of nerve cells until patients become paralysed or lose their minds.
In politics, he bemoaned what he saw as the degeneration of the EU into a racket run by an elite class of administrators for the benefit of its richest citizens.
While condemning the "degeneration" of Chechen resistance tactics into terrorism, Mr Wood tries hard to depict them as reactions to the systematic and continuing use of illegal detention, torture, rape and murder by the Russian side.
The degeneration of the Arab Spring into a sectarian civil war across the Arab world, fuelled by Islamist extremism, has only marginalised the Israel-Palestine question and hardened positions all round.
As the group has demonstrated in a paper published in this week's Nature, not only do monthly injections with the protein raise antibodies to it; they also prevent the start of Alzheimer's-like brain degeneration in young mice.
