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Roughly 40 million people are estimated to wear a fitness tracker of some kind. Now one of those brands, Fitbit, has teamed up with researchers to try and predict COVID-19 symptoms before they start."About seven years ago when these Fitbits and things were coming out as fitness trackers, we said, Well they're probably pretty good physiological markers, not just fitness markers," said Dr. Michael Snyder with Stanford University's School of Medicine.Dr. Snyder says they were first able to use the technology to help them catch early signs of Lyme disease. The current pandemic has prompted them to take their research a step further."They're mostly built around heart rate which we think is better than skin temperature because not everyone gets a fever with COVID," said Dr. Snyder.Stanford's study is taking place in two phases. In the first, researchers evaluated six months of data in a majority of patients who tested positive for COVID-19. Their research showed COVID-19 patients had an elevated resting heart rate up to nine days before showing any symptoms of the virus."I view these as health monitors in the current pandemic. If we start flagging people as early as possible we’re going to be way [ahead in reducing] the number of cases, probably help people in saying no you shouldn’t go to work today. So, it has broad implications for the economy, pandemic spread and personal health period," said Dr. Snyder.Senior Vice President and General Manager of Fitbit Health Solutions, Amy McDonough, agrees."In particular, resting heart rate, heart rate variability, breathing rate all might change as your body is fighting off illness. So the study is really to look at what are the expressed changes that might happen," said McDonough."I think your immune system engages pretty quickly when you get ill and the cells are probably consuming a lot of energy and your heart needs to pound away to create some of them," said Dr. Snyder.Stanford's second phase of the study starts soon. People who have a fitness tracker can sign up and anonymously share their fitness data. Then, they can get alerted when researchers detect an elevated resting heart rate and possible early signs of contracting a virus."To be able to do that earlier detection can help keep people safe and help understand their body and when they might be fighting off illness," said McDonough.Dr. Snyder is confident in the technology, which he says helped him detect his own case of Lyme disease. "In one case which was on me, it was pretty clear I was ill because of the bio marker but I didn’t feel symptoms and my watch even picked that up. So what that tells you is it can detect disease when you’re presymptomatic as well as in asymptomatic cases which is pretty powerful," said Dr. Snyder.People can sign up for Stanford's study by logging into their Fitbit app or heading to innovations.stanford.edu.As for what Dr. Snyder hopes to take away from this study, he said "I hope to plant a wearable device on every person on the planet. Sixty percent of people have a smartphone so it's totally scalable. These are not expensive devices. They could be a lot cheaper than they are and obviously the ones in the future will be much more health-oriented."Eventually they hope to be able to detect the severity of an illness, as well. 3320

SACRAMENTO, Calif. (AP) -- Northern California prosecutors will again seek the death penalty for Scott Peterson in the slaying of his pregnant wife and unborn son nearly 19 years ago.They made the announcement Friday even as a county judge considers throwing out his underlying conviction because of a tainted juror.The California Supreme Court in August overturned Peterson's 2005 death sentence in a case that attracted worldwide attention.Peterson appeared remotely from San Quentin State Prison north of San Francisco, home to the state's death row. 561

Robert O'Brien, President Donald Trump's national security adviser, has tested positive for COVID-19, according to CNN and Bloomberg.Both CNN and Bloomberg report that O'Brien has been working from home since last week.It's unclear when the last time O'Brien met directly with the president, but CNN reports that their last public appearance together came on July 10.O'Brien is the highest-ranking member of the Trump administration to contract the coronavirus. In May, a member of Vice President Mike Pence's staff contracted the virus. 545

SACRAMENTO, Calif. (AP) -- A growing number of mayors across the country support giving cash to low-income families with no restrictions on how they can spend it.It's part of a movement to establish a guaranteed minimum income to combat poverty and systemic racism.Mayors in at least 25 cities have pledged to support the effort. They are led by Michael Tubbs, the 30-year-old mayor of Stockton, California, who launched one of the country's first guaranteed income programs last year with the help of private donations.Most programs would rely on donations, but a few would mix public and private spending.RELATED STORIES:Pittsburgh becomes latest city to try guaranteed income with Twitter co-founder's moneyStimulus checks may be changing perceptions about universal basic income 790

SACRAMENTO, Calif. (AP) — California lawmakers approved a multibillion-dollar plan Thursday to shore up the state's biggest electric utilities in the face of catastrophic wildfires and claims for damage from past blazes caused by their equipment.It requires major utilities to spend at least billion combined on safety improvements and meet new safety standards, and it creates a fund of up to billion that could help pay out claims as climate change makes wildfires across the U.S. West more frequent and more destructive.Lawmakers passed the bill less than a week after its final language went into print, and Gov. Gavin Newsom was expected to sign it Friday. Republicans and Democrats said the state needed to provide financial certainty to the state's investor-owned utilities, the largest of which, Pacific Gas & Electric Corp., is in bankruptcy.But they said their work is far from over and they plan to do more on wildfire prevention and home protection when they return in August from a summer break.A broad coalition rallied around the measure, from renewable energy trade groups and labor unions representing utility workers to survivors of recent fires caused by PG&E equipment. Victims applauded provisions they say will give them more leverage to get compensation from the company as it wades through bankruptcy.But several lawmakers raised concerns that the measure would leave utility customers on the hook for fires caused by PG&E despite questions about the company's safety record."No one has ever said this bill is going to be the silver bullet or fix all but it does take us in dramatic leaps to where we can stabilize California," said Assemblyman Chris Holden, a Democrat from Pasadena and one of the bill's authors.Holden and other supporters said the legislation would not raise electric rates for customers. But it would let utilities pass on the costs from wildfires to customers in certain cases, which would make costs rise.The legislation also extends an existing charge on consumers' electric bills to raise .5 billion for the fund that will cover costs from wildfires caused by the equipment of participating electric utilities.PG&E filed for bankruptcy in January, saying it could not afford billions in damages from recent deadly wildfires caused by downed power lines and other company equipment, including a November fire that killed 85 people and largely destroyed the town of Paradise.Credit ratings agencies also are eyeing the financial worthiness of Southern California Edison and San Diego Gas & Electric.PG&E did not take a formal position on the bill. Spokesman Lynsey Paulo said the utility is committed to resolving victims' claims and reducing wildfire risks.To use the fund, companies would have to meet new safety standards to be set by state regulators and take steps such as tying executive compensation to safety. The state's three major utilities could elect to contribute an additional .5 billion to create a larger insurance fund worth at least billion.Questions about PG&E's efforts to combat fires led to some opposition.A day before the legislation passed, a federal judge overseeing PG&E's bankruptcy ordered its lawyers to respond to a report in The Wall Street Journal that showed it knew about the risks of aging equipment but did not replace systems that could cause wildfires."It is hard not to see this bill as something of a reward for monstrous behavior. They haven't done the work. They should not be rewarded," said Assemblyman Marc Levine, a Democrat from San Rafael who voted against the legislation.David Song, a spokesman for Southern California Edison, said the utility supports the bill but wants to see "refinements." He offered no specifics."If the bills are signed into law they take initial steps to return California to a regulatory framework providing the financial stability utilities require to invest in safety and reliability," he said.___Associated Press writer Adam Beam contributed. 4026