Saliva test may turn tide on prostate cancer, claim scientists
Analysing DNA in saliva can identify men at the greatest risk of prostate cancer
Trump threatens to end pharmaceuticals tariff exemption
The US president vows "major" tariffs on imported medicines - raising fears of an increase in costs for Americans.
Infected blood victims losing faith as inquiry hearings restart
Inquiry chair is acting amid grave concerns over payouts to victims after final report was published last year.
Pro-suicide forum subject of first Ofcom probe, BBC understands
BBC News found the forum, which has thousands of members, is linked to at least 50 deaths in the UK.