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Coronary Heart Disease. Malaria. Europe is the 1st #malaria-free region of the world. 1995: 90k cases 2015: 0 #WorldMalariaDay. #Malaria death rates □ fell by 29% globally between 2010 and 2015 #WorldMalariaDay. UN admits role in Haiti's deadly cholera outbreak. Image copyright AFP The UN has finally acknowledged it played a role in an outbreak of cholera in Haiti in 2010 that has since killed about 10,000 people in the country.

UN admits role in Haiti's deadly cholera outbreak

Scientific studies have shown that Nepalese UN troops were the source of the disease - but the UN repeatedly denied responsibility until now. An internal report seen by the New York Times is said to have led to the shift. But the UN still says it is protected by diplomatic immunity from claims for compensation from victims' families. On Thursday, Farhan Haq, a spokesman for UN Secretary General Ban Ki-moon, said that "over the past year the UN has become convinced it needs to do much more regarding its own involvement in the initial outbreak and the suffering of those affected by cholera". However, Mr Haq reiterated that the UN's legal position in on diplomatic immunity and possible compensation "has not changed". Image copyright Getty Images The cholera outbreak has been blamed on leaking sewage pipes at a UN base.

These are the 10 cities with the worst air pollution in the world. Last week, the World Health Organisation reported that an estimated 8.2 million deaths a year are linked to air pollution.

These are the 10 cities with the worst air pollution in the world

And that number is on the rise. The most harmful pollutant to human health is called PM 2.5, short for particle matter that's less than 2.5 microns in diameter. It's found in soot, smoke, and dust, and lodges in the lungs causing long-term health problems like asthma and chronic lung disease. PM 2.5 starts to become a health problem when there is more than 35.5 micrograms of PM 2.5 per cubic metre (written like 35.5 µg/m3) of air, according to the Environmental Protection Agency. But WHO recommends that PM 2.5 shouldn't even exceed 10 µg/m3. 10. Fayaz Kabli/Reuters Lucknow, a city in northern India, starts off the top 10 cities with the worst air pollution levels list. 9. Amit Dave/Reuters. Do smoke-free stoves really save lives? Image copyright Handstand Productions/ CAPS "Exposure to household air pollution is a problem of poverty," says Kevin Mortimer, a medical doctor and a respiratory health researcher at the Liverpool School of Tropical Medicine.

Do smoke-free stoves really save lives?

"If you're not poor, you're not exposed. " About 2.8 billion people - between a third and a half of the world's population - burn solid fuel such as wood, crop waste, charcoal, coal and dung to cook their food in open fires and leaky stoves. Inside those homes, cooking smoke is eye-stingingly visible, and it blackens the walls. Does Climate Affect Economic Growth? Mental health support 'denied to children' More than a quarter of children referred to mental health services in England in 2015 - including some who had attempted suicide - received no help, a report says.

Mental health support 'denied to children'

Record numbers call Childline over suicidal thoughts. Image copyright Jupier Images Childline received an average of one call every 30 minutes from UK children with suicidal thoughts last year, the NSPCC has said.

Record numbers call Childline over suicidal thoughts

Youngsters plagued by suicidal thoughts contacted Childline 19,481 times - more than double the number five years ago. Pollution particles 'get into brain' Image copyright ZEPHYR/SCIENCE PHOTO LIBRARY Tiny particles of pollution have been discovered inside samples of brain tissue, according to new research.

Pollution particles 'get into brain'

Suspected of toxicity, the particles of iron oxide could conceivably contribute to diseases like Alzheimer's - though evidence for this is lacking. The finding - described as "dreadfully shocking" by the researchers - raises a host of new questions about the health risks of air pollution. Many studies have focused on the impact of dirty air on the lungs and heart.

Now this new research provides the first evidence that minute particles of what is called magnetite, which can be derived from pollution, can find their way into the brain. 'Stiff upper lip' delaying cancer diagnoses. Reservations by patients to visit their doctor may prevent early presentation for cancer symptoms, according to new research.

'Stiff upper lip' delaying cancer diagnoses

More people in the UK confess to being "embarrassed to go to the doctor" and "worried about wasting the doctor's time" compared to other countries in the study. Asked what stops the British public visiting their doctor, the study's lead researcher Dr Lindsay Forbes told BBC Radio 4's Today programme: "We speculate that the British stiff upper lip may be a factor". "It's something that needs to be tackled. We need to support people to have the confidence to go and see their doctors promptly with a symptom," she added. Mark Flanagan, chief executive of Beating Bowel Cancer, also believes "people are still reluctant to talk". First broadcast on BBC Radio 4's Today programme on 30th January 2013. Children need three hours exercise a day - Finland. Image copyright Getty Images Children should spend at least three hours a day performing physical activities, according to the Finnish government.

Children need three hours exercise a day - Finland

Parents have been advised to actively encourage their children to pursue hobbies and interests that require physical exertion. Children aged eight and under have been targeted in the move. Finland is known for producing some of the most physically fit children in Europe. It also produces some of the highest academic results among schoolchildren in the developed world. Secret of Finland's success Finland's Minister for Education and Culture, Sanni Grahn-Laasonen, believes this is no coincidence.

Ms Grahn-Laasonen said physical activity contributed to a child's happiness and promoted learning by developing a young person's ability to interact socially. "When children exercise together they develop interaction skills and connect socially, and it's healthy, too," she told local media. Obesity link to cancer 'not well known by public'