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Back to school time usually means it's time for a new backpack.Nowadays there are tons of choices in how kids can lug around their belongings. Rolling backpacks, shoulder sling options, or the traditional two-strap pack. But which one is right for them?Will it support their back? Stay together through the school year? Does it look good? These are some of the questions parents grapple with in the middle of shopping aisles.A study by UC San Diego researchers found that children commonly carry about 10 to 20 percent of their body weight in backpacks, which is also the limit recommended by the American Academy of Pediatrics.UCSD researchers tested the correlation between backpack weight and a child's back pain. They tested a group of 8 children and measured spinal pressure at three different amounts of backpack weight meant to mimic 10, 20, and 30 percent of their weight.They found that as the weight of the backpack load increases, back pain in children increases and spinal disc height shrinks as lumbar asymmetry grows.Which brings us back to the original question: How do you make sure a backpack is right for a child? A graphic from the folks at RetailMeNot have outlined how a backpack should rest on a child:Safety strapsBackpack straps are more important than kids think. Shoulder straps should be wide and padded to help distribute the pack's weight evenly, according to the website Healthy Children. Abdominal straps also help distribute weight across the waist, hips, and back.It's also recommended not to wear backpacks on only one shoulder, which shifts all that weight and leads to neck and back pain.Wearing it rightThe top of a backpack should sit one to two inches below the top of the shoulders. Also, the pack should not sit more than four inches below the waistline.The bottom of the backpack should align with the curve of the lower back.Preventing injury on the goWhile at school, its important for kids to be careful while lugging around their backpack. If possible, students should stop by their lockers often to unload any unneeded gear from their backpack. If bending down, kids should use both of their knees while wearing a backpack and not bend at the waist.Learning back-strengthening exercises can also help build up muscles primarily used while carrying weight.Consult a pediatrician if necessaryTalking with your child's doctor about back health is vital. Speak with your child as well about being vocal about back discomfort. And for parents, don't ignore complaints about back pain.If may also be worth speaking with school administrators about lightening the load of work carried around or buying separate textbooks to keep at home. 2740

As the Democrats kicked off Night No. 1 of its four-night virtual national convention, George Floyd’s brother Philonise Floyd spoke out against his brother’s death.Philonise Floyd led the convention in a moment of silence in honor of his brother and others who have died as victims of "hate and injustice.""George should be alive today,” Philonise Floyd said. “Breonna Taylor should be alive today. Ahmaud Arbery should be alive today. Eric Garner should be alive today. Stephon Clark, Atatiana Jefferson, Sandra Bland—they should all be alive today. So it's up to us to carry on the fight."While most of those named by Philonise Floyd died while in police custody, Arbery was killed in a shooting by civilians. Three Georgia men, Travis McMichael, Gregory McMichael, and William "Roddie" Bryan were charged in connection with Arbery's death. His death came to light after it took 74 days before anyone was charged in connection with his death. Preceding Floyd at the virtual convention was Muriel Bowser, Washington D.C.’s Democratic mayor who called out President Donald Trump for using federal agents to deploy tear gas on a crowd of Black Lives Matter protests. During the height of the protests, federal agents used tear gas to disperse a crowd moments before Trump emerged from the White House to visit a burned out church across the street from the White House.“Where we were peacefully protesting, Donald Trump was plotting,” she said. “He stood in front of one of our most treasured houses of worship and held a Bible for a photo op. He sent troops in camouflage into our streets. He sent tear gas into the air—federal helicopters, too. I knew if he did this to D.C., he would do it to your city or your town.”During Bowser’s remarks, Trump’s campaign panned Bowser for saying she was “proud” of protesters. While Bowser wouldn’t initially commit to removing a “Defund the Police” mural from a D.C. street, city crews have since paved over the mural. 1967

As scientists learn more about COVID-19, they are realizing that how people react to the virus could be based on the body's response to viruses like common colds.Meharry Medical College President Dr. James Hildreth says some studies are showing some individuals have T-cell responses to COVID-19 even though they never been exposed to it.He is talking about recent research revealing that some people may have immunity defenders called T-cells which could determine how their body reacts to COVID-19.According to the CDC, when the body fights an infection, the immune system remembers what it learned about how to protect the body against that disease.The body will retain a few specific T-cells known as memory cells - that will alert and help the immune system identify and produce antibodies to attack the foreign germ if it enters the body again."Viruses that look alike can sometimes elicit the same kinds of immune responses," said Hildreth.Hildreth says there are six strains of coronavirus that affect humans going back to the 1960s and some result in seasonal common colds.He says if you were infected with one of these viruses in the past it can determine the severity of the toll COVID-19 would take on your body now."There’s the possibility that a response to one of them gives you a partial to another because they have genetic similarities," said Hildreth.Hildreth says this doesn't mean a person has complete immunity to COVID-19."There’s strong evidence that you may not be immune to the virus, but you’ll have an immune response that recognizes SARS partially just because those two viruses look so much alike."Hildreth says this can help with treatments and even vaccinesThis story was originally reported by Kelsey Gibbs at WTVF. 1756

As millions of Americans avoid routine doctor’s appointments right now for fear of catching COVID-19, a decades-old practice is suddenly gaining new attention: the house call.“The notion of a house call means the care provider can get a more comprehensive view of you as a person,” explained Stacey Chang, who serves as the executive director for the Design Institute for Health.Chang says a reinvention of the house call could be a viable solution to America’s evolving post-coronavirus healthcare system. New portable technology means doctors can do more than just check your temperature.Health officials across the country are also worried that Americans in isolation are avoiding routine check-ups, which could lead to more long-term issues once the pandemic ends.“The care that didn’t happen, the routine care for managing chronic diseases, we may end up having greater mortality from those missed interventions than what COVID itself caused,” Chang added.Aside from keeping people away from hospitals where COVID-19 might be lurking, the house call gives physicians a chance to get to know their patients. Spending more than 10 minutes with someone in an office would give doctors a better chance to treat chronic diseases.“It’s really a relationship between the person that’s caring for you and the person you’re caring for,” Chang said. 1352

Attention 'Rick and Morty' fans: McDonald's will be bringing back Szechuan Sauce.The company will announce details on when and where the sauce will return on Thursday in a three-part podcast series called "The Sauce.""We're doing more than simply bringing back the sauce. We know there were many unanswered questions and even more unbelievable stories from last year's Szechuan saga," the company said on its website.The "saga" refers to last year's incident where the company released the sauce for a very limited release, causing fans that had been waiting for hours to go home empty-handed.We heard you and have been working tirelessly to bring back The Sauce. On 2/22, we announce when/where Szechuan Sauce will return, but also answer the burning question: “What happened to The Sauce?!” To find out, visit https://t.co/Gcrq5kM71E or download the podcast series. pic.twitter.com/ezHbAqL82i— McDonald's (@McDonalds) February 20, 2018 950