This week in health news, from UC San Diego’s Scott LaFee
A recent study found that brief bouts of robust exercise, such as super-fast walking for one or two minutes a day, measurably reduce the risk of dying over the seven years of follow-up by researchers.Specifically, the risk fell 38 percent to 40 percent for any cause of death and for cancer mortality, and dropped 48 percent to 49 percent for risk of cardiovascular death, compared with people who did no physical activity.
A study spanning five continents and more than 32 million cardiovascular deaths between 1979 and 2019 found that there were more deaths on days when temperatures were at their highest or lowest. On the hottest days, there were 2.2 additional deaths for every 1,000 cardiovascular deaths, but on the coldest days, there were 9.1 additional deaths.
After six months, researchers found that more than 7 in 10 adults said they experienced persistent symptoms like coughing, chest pain and fatigue. Nearly half said there were some limitations doing everyday activities, such as eating, preparing meals, bathing, getting dressed or walking across the room.AdvertisementBack in 2015, long before the emergence of SARS-CoV-2 virus and the COVID-19 pandemic, the infectious disease causing an international furor was Zika, following an outbreak in Brazil.
The viral infection, transmitted to fetus from mother, was capable of causing birth defects and severe neurological damage, most notably microcephaly or an abnormally small head. Zika faded from the headlines, but research continues. The most comprehensive study to date looked at the pregnancies of 1,548 women infected by the virus. About one-third of the children exposed to the virus prenatally had at least one abnormality among those that make up congenital Zika syndrome. Among the most frequent problems: neurological impairments, alterations in hearing and vision and microcephaly.
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