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When Hurricane Michael barreled through Florida's Mexico Beach, it reduced the beachside town to pile of rubble, mangled structures and splintered houses.These aerial images from NOAA offer a stark look at how there's nothing left in some parts where houses once stood.Most houses in the northern section of Mexico Beach, where the canal and marina start, aren't there anymore.The pier toward the bottom of the image, isn't either.Zooming in closer on the marina, the debris from houses is piled up on the northern shore of the canal.The boat moorings, gone. And the debris field extends into the trees beyond the canal. 628

We've all heard exercise helps you live longer. But a new study goes one step further, finding that a sedentary lifestyle is worse for your health than smoking, diabetes and heart disease.Dr. Wael Jaber, a cardiologist at the Cleveland Clinic and senior author of the study, called the results "extremely surprising.""Being unfit on a treadmill or in an exercise stress test has a worse prognosis, as far as death, than being hypertensive, being diabetic or being a current smoker," Jaber told CNN. "We've never seen something as pronounced as this and as objective as this."Jaber said researchers must now convey the risks to the general population that "being unfit should be considered as strong of a risk factor as hypertension, diabetes and smoking -- if not stronger than all of them." 799

With news of two highly effective COVID-19 vaccines on the horizon, health officials and scientists are giving us new insight into how we could gain herd immunity."If we think of the population as a single group of people with all similar risks and susceptibilities and behaviors, we need 60% of people to be immune, meaning that not only they don’t get sick, but also they don't pass on the virus to other people," says Dr. Stuart Ray, an infectious disease professor and herd immunity expert at Johns Hopkins University.Dr. Ray says achieving herd immunity with the help of a COVID-19 vaccine would mean enough people would either get the vaccine or already have recovered from the virus and be immune to help stop the spread of the virus."It's a little bit like this notion that if you’re going to pass on a message from a lot of people in a group, they have to speak the same language. And the more people don't speak the language, the harder it's going to be to pass that message and there’s a threshold at which the message just gets stopped," says Dr. Ray.Still, it would take a certain number of people to get the vaccine and have that immunity last in order to reach herd immunity. Stanford University's Dr. Bali Pulendran hopes that we can achieve herd immunity, even though there are a certain number of people who are still hesitant to take the vaccine."I think we should remember that a vaccine that is 95% effective is only effective if the majority of people in a population take it. If only half the population or only 60% of the population take it, then we are unlikely to have achieved the level of herd immunity that you need for curbing the disease," says Dr. Pulendran.And if the new COVID-19 vaccine requires two doses, how crucial will it be to make sure people receive that second round of immunization?Asked whether follow up will be a concern, Dr. Ray says, "I think it is a possible concern. We’re going to do a lot of learning. So, one of the things we’ve learned is that some vaccines we thought you needed multiple doses, one dose works pretty well."Doctors say research will be ongoing on the vaccine and the virus itself to ensure people will be protected as much as possible, because so many are hopeful for an end to COVID-19. 2268

When it comes to car sales in California, the Golden State is looking to get a little greener.“Most of our shoppers are looking for a hybrid,” said Chris Wesney, general manager of McCarthy’s, an independent car dealership in San Luis Obispo, California.Wesney says his team sells about 75 vehicles a month with electric vehicles making up 20% of those sales.“That increases every year, year over year,” he said adding he expects that number to increase even more after California Governor Gavin Newsom’s recent executive order, which would ban the sale of gas-powered vehicles by 2035.“There’s a lot to learn when it comes to buying electric cars,” Wesney said. “The problem that I foresee for some vehicles dealers is the repair facilities.”The state’s mandate has industry leaders shifting gears, and it’s raised questions inside Cuesta College’s automotive technology department.“To just simply say, ‘yes, we’re going to do this’ without looking at all other implications kind of makes me a little nervous,” said John Stokes, division chair of engineering and technology at Cuesta College.Stokes says he supports this decision to move away from fossil fuels in theory, but in reality, he’s questioning everything from how to replace gas taxes to adding enough related infrastructure.“There are so many things that are still question marks on how to be able to do this,” he said. “Do we have the production to satisfy the electricity? Do we have the production for the battery capacity?”Other auto industry leaders are also speaking out about this proposed change.“I certainly understand big, bold ideas but only when they’re affordable,” said Cathy Reheis-Boyd, president of Western States Petroleum Association.Reheis-Boyd says right now there are 736,000 electric vehicles in California compared to 36 million cars and trucks that run on gas and diesel. She believes that taking drivers’ choices away in 15 years could cost many Americans their jobs.“I hope we can change our mindsets that’s to collaborate and bring these brilliant minds so California does have a path,” she said.A path that leads drivers back to the car lot where dealers like Wesney are preparing for the fuel of the future.“It will just be interesting to see how the powergrade and everybody adjusts to the increase demand for electricity,” he said. 2334

When talking about veteran mental health, much of the conversation is centered on post-traumatic stress disorder (PTSD) and traumatic brain injury (TBI). While both are widespread and debilitating, the mental health-related challenges veterans face go beyond these conditions.Dependable, courageous, and in peak physical shape, Theresa Larson chased perfection when joining the Marine Corps.“I wanted to be the exemplary Marine," said Larson. "To the T. What does a good Marine officer do? I had to do that.”A stellar student and Division 1 college athlete, she had been training for a challenge like this her entire life. With two older brothers in the military, Larson was well aware of the unique challenges she'd face as a female leader. “You have to be really fit and healthy. You have to be fitter than them. They're going to look at you physically and see how you perform," said Larson.Leader of a platoon, Larson was responsible for more than 50 Marines, working to earn their respect while training them for war. “You already fit in if you’re a male, if you’re a female, it's what is she going to do for me? Kind of attitude. And I was prepared for that," said Larson.But chasing perfection would come at a cost; her own well-being was no longer a priority. As the 12 to 15-hour days and mounting pressure felt out of her control, Larson latched onto what she could control. “The drug was food for me, so it ended up turning into the bulimia end of the first year," said Larson.With rigid fitness standards and weight requirements, the National Eating Disorders Association says service members are at especially high risk for eating disorders.“Abuse of fitness and nutrition tends to be the thing. It might not be full-blown bulimia or anorexia, or anything like that, but it can be a lot of disordered eating. Obviously, with yo-yo dieting, too much exercise or too little exercise can affect your focus," said Larson.Before deploying to Iraq, Larson sought help from a friend but didn’t disclose her illness to the military, fearing she’d lose her job.“I tried to make everyone realize I would be OK because I didn’t want to let the Marines down. You know, mission accomplishment and troop welfare are kind of the things we thrive on as Marines, especially Marine leaders," said Larson. No longer at a desk, leading operations and landmine missions, the responsibility to protect her platoon had never felt greater."It dawned on me, 'gosh, I’m really not OK. And this is not about me. It's about all the Marines I’m taking care of. So yeah, I’m sick, and I’m going to affect someone else.' It was a wake-up call," said Larson.Larson was sent home and said she had to fight to get treatment in the military. While grateful they covered 12 weeks of care in an outpatient rehabilitation clinic, Larson says she was on her own to continue getting help.“Anyone knows that has an addiction, it’s not just a, 'OK, you're done.' It's a continuous, daily decision and practice. And so, I ended up paying for my own care after that for a while," said Larson. "It was a couple of years until I stopped the symptoms of bulimia, and then was just dealing with what was left-- the depression, the anxiety, and managing that.”She says getting healthy became her job. And after the military, Larson helped others do the same. She wrote a memoir about her military experience and has since been contacted by countless service members and veterans struggling with similar challenges. “As a leader, there's a fine line of when you push yourself and when you need to ask for help. And asking for help, I’ve learned, is not a weakness. It’s a strength," said Larson.After earning a doctorate in physical therapy, Larson and her husband founded Movement Rx, a program helping people around the country uncover the root cause of their pain and injuries. “Just because someone is in a wheelchair, that’s not the only thing going on. Or if someone looks like they’re fine, it doesn’t mean they don’t have something going on," said Larson. In addition to free online resources for veterans, Movement Rx has free in-person training for veterans in San Diego. “We have our health care platform that veterans can use, offering mindfulness and meditation, nutrition support, fitness, as well as movement, working through injuries," said Larson. While there's more help now for struggling veterans and service members, Larson knows asking for it is still just as hard. “You asking for help, it's going to open more doors and more growth than you can ever imagine, but you have to take that vulnerable leap, and that's when life really happens." 4633

来源：资阳报