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London is on course for the highest number of killings in a decade after the total this year surpassed the figure for the whole of 2017. Most of the victims are teenage boys or young men living in deprived areas, stabbed by other teenage boys or young men. The Royal London Hospital specialises in this kind of injury and one of their surgeons, Paul Vulliamy believes that we need to approach knife crime as a public health issue. He has been examining a decade’s worth of data to try to ascertain where and when these stabbings are taking place. He spoke to Claudia Hammond about the findings.

Last week on Health Check, we were talking about the form of skin cancer melanoma and how mortality rates have been rising in every one of 33 countries studied (European countries plus Australia and New Zealand), apart from one – the Czech Republic. The researchers were not sure why this might be, so we asked Dr Monika Arenbergerova, a dermatologist from the Department of Dermatology at Charles University in Prague.

Our attitudes towards money start being shaped early on and by the time we are adults some of us are good with our money. Some of us are not so good. So how much of that is down to personality? New research has looked at agreeableness - the tendency to be nice, and it has found that agreeable people might be worse at managing their money. Sandra Matz from Columbia Business School explains why this might be.

(Photo caption: Police forensic officers working after a woman was killed during a knife attack in London – credit: AFP/Getty Images)

Health Check was presented by Claudia Hammond with comments from ´óÏó´«Ã½ Health and Science correspondent, James Gallagher.