COVID Virus targets the heart too dailynews.lk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailynews.lk Daily Mail and Mail on Sunday newspapers.
Scientists have ample evidence of heart damage in COVID-19 patients. Some people, for example, show elevated levels of troponins, molecules released in the blood when the heart is injured. Others have experienced inflammation of the sac surrounding the heart and inflammation of the heart itself. But it’s been unclear whether these problems were caused by the SARS-CoV-2 virus attacking the heart directly, or the damage is due to an overactive immune response.
Part of the problem is that previous studies are mixed about whether SARS-CoV-2 can invade heart tissue. Many that
haven’t found the virus use real-time polymerase chain reaction (RT-PCR), says James Stone, a cardiovascular pathologist at Massachusetts General Hospital. RT-PCR works by detecting viral RNA in tissue, then making many DNA copies of it. Once there’s enough DNA, a molecule called a fluorescent tag can stick to it and shine to reveal its presence. But Stone says that heart tissue is often processed and preser
Pre-embryos made in lab could spur research, and ethics debates latimes.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from latimes.com Daily Mail and Mail on Sunday newspapers.
San Antonio reports 158 new COVID cases, three more deaths
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Karen McClean, 68, gets a Moderna COVID-19 vaccine at WellMed’s Elvira Cisneros Senior Community Center on Feb. 22.Jerry Lara /San Antonio Express-News
San Antonio’s coronavirus numbers continue to improve as local officials reported only 158 newly diagnosed cases and three more deaths Friday.
The city’s risk level is now classified as “low” and “improving.”
The seven-day rolling average of new cases has now dropped to 168 per day. That’s down substantially from the average of 746 per day reported one month ago, and the average of a staggering 1,791 per day just two months ago.
Board-Certified Dermatologist/Pigmentary Disease Expert: Can Stress Trigger or Exacerbate Vitiligo?
Seemal Desai, MD, FAAD, is a board-certified dermatologist, pigmentary disease expert, and clinical assistant professor of dermatology at the University of Texas Southwestern Medical Center
Increased stress over the last year has taken its toll on everyone, but for the millions of people worldwide living with vitiligo a skin disease that causes the skin to lose its natural color new research suggests that the effects of stress may be more than skin deep.
Research published in the
Journal of the American Academy of Dermatology assessed perceptions of stress from 535 people with vitiligo to understand how stress affects the disease and its progression. According to the study, more than half of those who participated shared that stress triggered their vitiligo. The findings also suggest that people with a family history of vitiligo, women, and people with a personal history of al