As it happened: Reeves unveils her second Budget

UK inheritance tax reform largely protects family farms, study shows

Eight in 10 affected estates can cover cost of higher death duties with non-farm assets, research claims

Tax data allays fears of non-dom exodus from UK

Officials had expected one in four with trusts to leave Britain after status was abolished

Ultra-processed food slows weight loss even on healthy diet, study finds

Contrary to industry claims, clinical trial participants slimmed twice as fast when eating minimally processed meals

What the closure of USAID is really costing the world

The abrupt withdrawal of American funding has stranded millions of patients and will be felt by countries for years to come

As measles spreads, old vaccination canards do too

For as long as there have been vaccines, there has been passionate opposition to them

The ‘hallucinations’ that haunt AI: why chatbots struggle to tell the truth

Tech groups step up efforts to reduce fabricated responses but eliminating them appears impossible

Novartis wins approval for first malaria drug for newborns

Swiss pharma group says lack of provision for small infants has led to ‘treatment gap’ in deadly disease

EU toughens stance on Donald Trump’s tariffs as deadline looms

European capitals insist US drops levies on EU as part of any framework deal

Psychedelic nasal spray shows promise against depression

Mebufotenin benzoate also requires a much shorter period of clinical supervision in trial

Denser, smarter cities will boost UK productivity

Britain has skilled workers to compete with peers but not the urban infrastructure to capitalise on agglomeration benefits

The unfolding tragedy of ending US aid

Funding cuts could result in one million deaths in the next year

A test for global public health

The decline in funding for vaccinations poses a worldwide threat

Bill Gates says he will not fill vaccine funding gap left by aid cuts

Billionaire philanthropist says his foundation will maintain funding at previous levels ahead of pledging event