Patients on the trial have not needed medication to manage their condition.
Most Recent Articles
Thai Princess Bajrakitiyabha dies after more than three years in coma, palace officials say
Princess Bajrakitiyabha, the king's eldest daughter, had been in a coma since December 2022.
From near death to World Cup hero - Jimenez's tears for Mexico
From nearly dying on the pitch to scoring for Mexico at the World Cup - Raul Jimenez has completed a remarkable comeback.
The Papers: 'Healey torpedoes Starmer' and 'Game on!'
Defence Secretary John Healey's resignation and the start of the World Cup dominate Friday's papers.
World Cup kicks off in Mexico with Shakira, dancing, and protests
There was a star-studded opening ceremony, and some sporadic clashes between police and protesters around the Azteca stadium.
World Cup kicks off in Mexico with Shakira, dancing, and protests
There was a star-studded opening ceremony, and some sporadic clashes between police and protesters around the Azteca stadium.
More than 50 Iranian military bases damaged in US strikes since start of war, satellite images show
Bases across Iran have been hit by US strikes, with experts identifying damage to jets and warships.
Air India crash families' year-long battle to identify remains of victims
Relatives urge Indian authorities for answers after receiving the misidentified, and in one case mixed, remains of their loved ones.
Elon Musk's SpaceX raises $75bn ahead of record stock market debut
The public sale is also expected to make Elon Musk the world's first trillionaire.
Three red cards - are referees getting tough at this World Cup?
Three players were sent off in the World Cup opener as Mexico beat South Africa 2-0. Are we about to see a World Cup littered with red cards?
Why the economics makes this the craziest world cup ever
From trade wars to soaring ticket prices, the 2026 World Cup is unlike any before it. Faisal Islam explores what this tournament reveals about our changing global economy.
'I spent uni savings on getting my teeth fixed' - how NHS dentist shortage is costing a fortune
People tell BBC Your Voice the rising cost of private dentistry is putting them in a difficult position.
Meningitis B vaccine to be offered to a million young people
The decision for the one-off vaccine programme follows the unprecedented outbreak in Kent this year.
My friends always want to split the bill equally, how do I say no?
It is never easy to speak up when a fellow diner says "let's just divide it!"
Girl, 14, charged with attempted murder after Manchester school knife attack
Two pupils and a teacher were injured in the attack, which counter-terror police are investigating.
Trump says deal to end Iran war is close after calling off strikes
Iran's foreign ministry spokesperson tells state TV that reports of an agreement were "speculative" and "nothing has been finalised".
Three red cards shown as Mexico beat South Africa in World Cup opener
Three players are sent off as World Cup co-hosts Mexico defeat South Africa in a dramatic opening match at a packed Azteca Stadium.
Three red cards shown as Mexico beat South Africa in World Cup opener
Three players are sent off as World Cup co-hosts Mexico defeat South Africa in a dramatic opening match at a packed Azteca Stadium.
Armed forces minister quits after Healey exit as defence funding row deepens
Al Carns says the military isn't "sufficiently funded", as Dan Jarvis becomes the new defence secretary.
Northern Ireland protests pass off without incident after two nights of unrest
After two nights of unrest, pockets of protests held across Northern Ireland have passed off without major incident.
London Stadium and West Ham women's team not aware of David Sullivan contact ban
The owner of West Ham United's home has raised concerns it was not told about safeguarding restrictions.