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Could the no-calorie sweetener you rely on to replace sugar in your diet actually cause weight gain instead of the weight loss you were expecting?The answer may be yes, according to a new study."Artificial sweeteners are not risk-free," said Brian Hoffmann, assistant professor in the Department of Biomedical Engineering at the Medical College of Wisconsin and Marquette University, and a lead author of the study. "They are a very controversial topic when it comes to health and nutrition ... but they're so prevalent in society that I think we owe it to ourselves to try and figure out what's actually going on."Hoffmann presented his new research Sunday at the annual?Experimental Biology meeting in San Diego. Relying on rats and human cell cultures, his team identified a number of pathways linking artificial sweeteners with metabolic changes at the genetic level that could lead to diabetes and obesity. Specifically, the researchers found that three weeks of exposure to aspartame and acesulfame potassium -- two artificial sweeteners frequently combined in products such as Equal -- altered the expression of certain genes responsible for lipid metabolism in the cells of both rats and humans."Aspartame had some significant changes, and one of those was an increase in lipids in the bloodstream and a decrease in a biomolecule that is involved in clearing (lipids) from the bloodstream. And we saw the exact same thing with the acesulfame potassium," Hoffmann said."We then took those particular sweeteners and put them on endothelial cells -- the cells that line the blood vessels and would be exposed to them in the body -- and we detected a marked dysfunction, suggesting why sweeteners and diet soda have been linked to potential cardiovascular problems," he added.What was perhaps most surprising, according to Hoffmann, was that these metabolic changes did not occur in the presence of natural sugars such as glucose and fructose. This suggests that artificial sweeteners could contribute to metabolic disorders such as diabetes and obesity by an entirely different mechanism than natural sugars, he said.Artificial sweeteners appear to contribute to metabolic disorders by altering the activity of certain genes responsible for the breakdown of macromolecules such as fats and proteins, Hoffmann said. This is different from normal sugars, which contribute to cardiovascular disease through insulin resistance and by damaging the cells lining the body's blood vessels."People are generally consuming non-nutritive sweeteners believing they are a 'healthy choice,' but this may not be true," said research scientist Meghan Azad of the University of Manitoba in Winnipeg, who was not involved in the new study."This is especially important given the widespread and increasing consumption of artificial sweeteners in the general population and the increasing use of artificial sweeteners in our food supply," said Azad, who has authored a paper that reviewed a number of studies on the potential downside of artificial sweeteners on weight and health.According to Azad, over 40% of adult Americans consume no-cal sweeteners on a daily basis, and studies that measure the sweeteners in blood and urine show that many people who report not using artificial sweeteners are unknowingly consuming them.It's the latest assault in the ongoing debate over artificial sweeteners and their impact on health -- a debate that began when one of our most popular foods, sugar, turned sour in terms of health. 3527

Companies can stop collecting employees’ payroll taxes starting Tuesday, September 1, after an executive order in early August gave workers a tax holiday.The deferral of payroll taxes applies to employees making less than 4,000 a year. Employees are taxed 6.2 percent that goes toward the Social Security Trust Fund and another 1.45 percent for Medicare.It’s a deferral because the payroll taxes are still due to the IRS by April 30, 2021, which they made clear in new guidance released last week with the US Treasury Department.What this means to employees: It depends on your employer. Starting September 1, employers can stop withholding taxes, but many business leaders have said they will not since the taxes will eventually be due. The decision is up to each company and is not required.If a company stops withholding payroll taxes, employees will have more money in their paychecks through the end of the year. Then on January 1, companies will need to withhold more from paychecks to collect all that is owed in April 2021.For employees making ,000 a year, the elimination of Social Security taxes would result in an extra per paycheck every two weeks. Assuming the employee has eight paychecks left in 2020, that would result in 2 in taxes deferred in 2020, which would be repaid in 2021. For employees making ,000 per year, those figures would be doubled.If an employee leaves their job before all of the appropriate taxes are collected, the guidance only states that companies can "make arrangements to otherwise collect the total applicable taxes from the employee."President Trump has stated he would “terminate” the tax if he was elected in November. However, the president does not have the ability to do that on his own. Abolishing payroll taxes requires an act of Congress. 1814

CORONADO, Calif. (KGTV) - Caltrans has begun installing spikes along the Coronado Bridge, designed to deter suicide jumpers. “It’s more of a psychological deterrent than anything else,” says Rhonda Haiston, the founder of the Coronado San Diego Bridge Collaborative for Suicide Prevention. Her group has campaigned to get barriers installed on the bridge.The four-inch spikes may not serve as a physical barrier, but they may slow people down she says. “If we can just give them a little extra effort they have to go through, we can stop them, talk to them,” says Haiston. Caltrans said the project had an estimated cost of 0,000 to 0,000. The spikes will be placed along both sides of the bridge across the 2.1 mile span. The project will take several nights, with lane closures beginning at 8 p.m.Meanwhile, Caltrans says it is still researching other long term solutions that could consist of fences, heightened barriers, glass panels or nets. But so far, nothing has been officially chosen and no funding sources have be secured. 1047

Customers of Comcast’s Xfinity internet service in many states may find that they will be charged if they use a lot of internet at home.The news comes as many Americans are working, schooling and using the internet to watch TV programs through the internet.Comcast will begin limiting many customers to 1.2 terabytes of internet data per month before charging overages. Beginning in December, Comcast says it will begin offering an unlimited plan for customers who plan to use that much data. For most customers who rent a gateway from Comcast, an unlimited plan would cost an additional a month, while most other customers would pay an additional a month. Comcast will implement the plans for customers in the states of CT, DE, MA, MD, ME, NH, NJ, parts of NC, NY, parts of OH, PA, VA, VT, WV, and the District of Columbia.The cap will not apply to the Gigabit Pro tier of service or business internet customers.For those who use more than 1.2 terabytes of data per month, Comcast will charge for every 50 gigabytes of additional data. The overages will be capped at 0 per month.Comcast says it will notify customers when they're nearing their data limit, and will send those notifications at 75%, 90% and 100% usage.Comcast says only 5% of its customers exceed 1.2 terabytes of data per month. Before the pandemic, Comcast suspended caps on internet usage as more Americans began using the internet for work and school.Those who stream TV might be most likely to go over the cap. According to Netflix, one hour of video can use up to 7 gigabytes of data. Someone who streams six hours a day without using any additional internet could use up an entire month’s worth of data. However, Comcast refutes those estimates and says that 1.2 terabytes cover as many as 500 hours of streaming video. More details can be read here.Editor's note: An earlier headline on our article erroneously classified the new policy as an "internet usage cap" and has since been changed. The earlier version also stated that customers will receive a notification when 90% of their data is used. It has been updated to reflect they will also receive notifications at 75% and 100% use. Additionally, a clarification was added to reflect customers can purchase unlimited plans in December. 2287

CORONADO, Calif. (KGTV) - A ,495,000 million home on one of Coronado’s largest waterfront lots is for sale.The Spanish-style home has spectacular views of the San Diego skyline and San Diego Bay.The new owner will enjoy features including a six-car subterranean garage with a turntable, master retreat with a private view deck, exercise room, elevator, and two-bedroom guest house.SLIDESHOW: Coronado waterfront home for saleThe home is available through Pacific Sotheby’s Realty.701 1st St., Coronado 512