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Excessively high or low body mass index measurements have been linked to an increased risk of dying from nearly every major cause except transport accidents, new research says.The?study, published Wednesday in The Lancet Diabetes and Endocrinology and conducted by scientists at London School of Hygiene and Tropical Medicine, revealed that BMI that's either too high or too low is tied to increased morbidity from a range of major diseases.Krishnan Bhaskaran, lead author of the study and associate professor of statistical epidemiology, noted that his team found "important associations" between BMI and most causes of death."BMI is a key indicator of health. We know that BMI is linked to the risk of dying overall, but surprisingly little research has been conducted on the links to deaths from specific causes," he said."We have filled this knowledge gap to help researchers, patients and doctors better understand how underweight and excess weight might be associated with diseases such as cancer, respiratory disease and liver disease."BMI is determined by dividing a person's weight in kilograms by the square of their height in meters.The study authors say they discovered that maintaining a BMI in the range of 21 to 25 kg/m2 is linked to the lowest level of morbidity.BMI outside this range was shown to have a "J-shaped association" with nearly all causes of death, not solely the most prevalent diseases. This means BMIs both lower and higher than the optimal range lead to increased risk of morbidity.The study, which analyzed data from 3.6 million people and 367,512 deaths, showed that obesity, or BMI of 30 or more, was linked to an increased prevalence of two major causes of death: heart disease and cancer."BMI higher than 25, the upper end of healthy, is linked to most cancers, most cardiovascular diseases, respiratory disease, and liver and kidney conditions," Bhaskaran said.Obesity was shown to reduce life expectancy by 4.2 years in men and 3.5 years in women, and it can contribute to other chronic conditions including respiratory disease, liver disease and diabetes.The British Journal of Cancer reported in April that obesity is linked to 7.5% of cancers in UK women.The charity Cancer Research UK estimated that 23,000 women will deal with obesity-related cancers by 2035. Obesity will also become the most common cause of cancer in women by 2043 if trends continue.The study also revealed that being underweight is linked to a "surprising wide range of deaths," including dementia, Alzheimer's, cardiovascular disease and suicide.However, Bhaskaran noted that links between low BMI and causes of death were more "observative," as it was less clear whether low weight was the direct cause of illness or rather a marker of poor health more generally.He also acknowledged the limitations of the study, which included a lack of information on the diet or level of physical activity of the individuals involved and the impact these factors may have had on morbidity.He nevertheless noted that the findings reiterated the importance of maintaining a BMI within the 21 to 25 range. 3130

Facebook announced on Friday that the social network had exposed the private photos of millions of users without their permission.The company said a bug recently allowed third-party app developers to access photos people may not have shared publicly. Facebook believes as many as 6.8 million users could be affected.Photos that users started to upload to Facebook but did not post could have been accessed, along with images posted to Facebook Stories, Tomer Bar, an engineering director at Facebook, wrote in a blog post."We're sorry this happened," he added.Users' photos were exposed over a 12 day period in September, the blog post said.When asked why Facebook waited to inform the public of the issue, a Facebook spokesperson told CNN Business, "We have been investigating the issue since it was discovered to try and understand its impact so that we could ensure we are contacting the right developers and people affected by the bug. It then took us some time to build a meaningful way to notify people, and get translations done."The information Facebook gives to third-party app developers continues to be under scrutiny. Earlier this year, a data scientist working for Cambridge Analytica revealed the company had several years ago used the system to gather data on tens of millions of Americans.As a result of this bug, the company said it believes the photos could have been accessed by 1,500 apps built by 876 developers.Facebook said it will notify people potentially impacted by the bug. 1509

ESCONDIDO, Calif. (KGTV) — Police are searching for the driver responsible for hitting and killing a woman on a North County freeway this week.A person lying on the right shoulder of westbound State route 78 under the Rock Springs Rd. overcrossing was reported to police just after 6 a.m. Wednesday, according to California Highway Patrol.Escondido Fire Department and CHP found a 26-year-old female from Escondido, who appeared to have been hit by a vehicle, dead on the right shoulder.No vehicle was found at the scene. CHP is investigating how and why the woman was on the freeway.The suspect vehicle is described as a 2017/2018 Mercedes Benz E-Class sedan and believed to be green. CHP said the vehicle should have damage to its right front fender and wheel well.Anyone with information on the collision is asked to call CHP at 858-637-3800. 853

Employees at the Buffalo Museum of Science found something they didn't know they had in their collection.According to Kathy Leacock, director of collections, that isn't difficult to do considering that the museum has over "700,000 items in their collection."What they found was an egg from the now extinct Elephant Bird. It's huge to say the least, weighing 3 1/2 pounds. The egg was not really lost, it was just thought to be a model or a replica. That's how it had been mislabeled for many years. "We found in our documentary evidence that's it's been here since 1939," Leacock said. There are only a handful of the rare eggs in existence.The Elephant Bird is believed to have gone extinct around the 17th century. This egg, thought to be priceless, will go on display at the Museum of Science May 1st. You can get more information at the museum's website.  902

ENCINITAS, Calif. (KGTV) -- The city of Encinitas has voted to move forward with a plan to create a safe parking lot for people living out of their cars. The city council voted 4-1 to start negotiating with Jewish Family Service, with the goal of opening the safe parking lot by the end of the year. Both supporters and opponents spoke during Wednesday's city council meeting, 30 in favor and 15 opposed. Those opposed to the lot said they were worried about their safety and property values. Those in favor said this would help people get back on their feet and keep them from becoming chronically homeless. The lot will be operated by Jewish Family Service on the Leichtag Foundation's property. Once the plan is finalized it will operate 365 days a year, seven days a week from 6 p.m. to 7 a.m. It will have overnight security, bathrooms, hand-washing stations, food and resources to help people get back into permanent housing. RELATED: Encinitas leaders to consider parking lot for homeless proposalDrugs and alcohol are not allowed on the lot. Everyone is vetted to make sure candidates don't have any violent criminal conviction and are not on the registered sex offender list. The city says the plan won't cost taxpayers a dime. The shelter is funded privately by Jewish Family Service and also relies on state funding. The city council agreed to review the progress of the safe parking lot in six months to find out if it is successful or needs modifications. 1477

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