By Hyunsu Yim and Josh Smith SEOUL (Reuters) -Russia's defence minister accompanied North Korean leader Kim Jong Un to a

The U.S. Food and Drug Administration (FDA) said on Friday it has advised manufacturers that are updating their

Boss Unai Emery believes Aston Villa proved their European credentials after an emphatic 4-1 win at AZ Alkmaar. Leon Bailey, Youri Tielemans, Ollie Watkins and John McGinn struck as dominant Villa cruised to victory in the Europa Conference League. It was a second 4-1 win in two games – following Sunday’s victory over West Ham – and Villa earned successive Group E triumphs after dispatching last year’s beaten semi-finalists. “If we want to be a contender we have to show every day and when we are playing those matches, we have to show everybody our wishes. I think we did it,” Emery told a press conference. “We are respecting them because they played in the semi-final last year against West Ham. They won last year against Lazio, they won last year against Anderlecht and it’s because they have experiences in European competitions. “I am very happy with the players because I think they have to be mature, responsible and demanding themselves, not only when I’m pushing them. They have to try to increase their own individual and collective level.” Bailey opened the scoring when Villa cashed in on wasteful play from AZ and Tielemans doubled the lead 10 minutes later. Watkins made it 3-0 six minutes after the restart when Bailey’s shot was saved by former Brighton goalkeeper Mat Ryan. Just five minutes later, McGinn added a fourth when he turned Bailey’s cross in at the near post. AZ improved and pulled a goal back through Ibrahim Sadiq’s fine drive from the edge of the box with 25 minutes left. Home defender David Moller-Wolfe said: “I can only speak for myself, but I’ve never played against such a good team. “I felt when we tried to press them high, they just went in behind us and when we stayed they played in between us. That said, I don’t see why we can’t go to Villa Park in a few weeks and beat them.” Read More Tyson Fury has ‘no doubt’ he will knock out former UFC fighter Francis Ngannou David Moyes defends team selection as West Ham’s unbeaten European run ended West Ham suffer first European loss in 18 matches at hands of Olympiacos

Matilde Gonzalez was reportedly killed during an altercation at her home

Regular daytime naps could be good for brain health, new research suggests. Daytime napping could slow the rate at which brains shrink as we age, the study led by researchers at UCL and the University of the Republic in Uruguay found. The researchers hope their findings into the health benefits of sleeping during the day will reduce any stigma that still exists around daytime napping. The study suggests the average difference in brain volume between people programmed to be habitual nappers and those who were not was equivalent to 2.6 to 6.5 years of ageing. Our findings suggest that, for some people, short daytime naps may be a part of the puzzle that could help preserve the health of the brain as we get older Dr Victoria Garfield, UCL Senior author Dr Victoria Garfield, MRC Unit for Lifelong Health & Ageing at UCL, said: “Our findings suggest that, for some people, short daytime naps may be a part of the puzzle that could help preserve the health of the brain as we get older.” The study, published in the journal Sleep Health, analysed data from people aged 40 to 69. Past research has suggested people who have had a short nap perform better in cognitive tests in the hours afterwards than those who did not nap. The new study looked at whether there was a causal relationship between daytime napping and brain health. Researchers looked at 97 snippets of DNA thought to determine people’s likelihood of habitual napping. They compared measures of brain health and cognition of people who are more genetically programmed to nap with people who did not have these changes in DNA, using data from 378,932 people from the UK Biobank study. They found that, overall, people predetermined to nap had a larger total brain volume. The genetic variants – DNA changes – influencing the likelihood of someone to nap were identified in an earlier study looking at data from 452,633 UK Biobank participants. But the researchers did not find a difference in how well those programmed to be habitual nappers performed on three other measures of brain health and cognitive function. Lead author and PhD candidate Valentina Paz, University of the Republic (Uruguay) and MRC Unit for Lifelong Health and Ageing at UCL, said: “This is the first study to attempt to untangle the causal relationship between habitual daytime napping and cognitive and structural brain outcomes. “By looking at genes set at birth, Mendelian randomisation avoids confounding factors occurring throughout life that may influence associations between napping and health outcomes. “Our study points to a causal link between habitual napping and larger total brain volume.” Dr Garfield added: “I hope studies such as this one showing the health benefits of short naps can help to reduce any stigma that still exists around daytime napping.” Read More Dramatic rise in the number of women freezing their eggs Paramedics who found ‘poisoned’ couple dead in Mexico hotel room also fell ill Bruce Willis’ family honours him with first Father’s Day tributes since announcing his dementia diagnosis Richard Ford on Frank Bascombe, getting older and literary feuds: ‘At my age I can’t get into fistfights’ Families’ ‘disappointment’ as Croydon tram disaster driver cleared

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