Allergies, asthma linked to heart disease, study says

Adults between the ages of 18 and 57 who have suffered from an allergic disorder had a higher risk of high blood pressure, according to the research, which will be presented at the American College of Cardiology and Korean Society of Cardiology’s spring conference in Gyeongju, South Korea. The highest risk for high blood pressure … Read more

BPA linked to asthma in school-age girls, study finds

“We believe that the effect may be due to the fact that bisphenols can cross the placental barrier and interfere with the child’s respiratory and immune systems during the developmental phase,” said first author Alicia Abellán, a postdoctoral researcher at Barcelona Institute for Global Health, in a statement. There was a significant association between levels … Read more

Excessive napping could be a sign of dementia, study finds

Elderly adults who napped at least once a day or more than an hour a day were 40% more likely to develop Alzheimer’s than those who did not nap daily or napped less than an hour a day, according to the study published Thursday in Alzheimer’s and Dementia: The Journal of the Alzheimer’s Association. “We … Read more

Global pandemic death toll is three times higher than reported Covid-19 deaths suggest, study finds

Globally, official reports through the end of 2021 show that 6 million people have died directly because of Covid-19. But researchers estimate in a new study that from the start of 2020 through the end of 2021, there have been at least 18 million more deaths than researchers would typically expect over the course of … Read more

Doing 30 to 60 minutes of one exercise weekly could help you live longer, study says

Now we may know how much time to spend on those exercises, according to new research published Monday in the British Journal of Sports Medicine. Compared with people who didn’t do muscle-strengthening activities, those who did 30 to 60 minutes of resistance, strength or weight training weekly had a 10% to 20% lower risk of … Read more

‘Stand your ground’ laws linked to increased homicide rates, study finds

States saw an average increase of 8-10% in monthly homicides between 1999 and 2017 after the enactment of such laws, according to the study published Monday in JAMA Network Open, a peer-reviewed journal. “Stand your ground” laws garnered national attention in the wake of Trayvon Martin’s death in 2012. George Zimmerman shot Martin but was … Read more

The West’s megadrought is worst in 1,200 years, study finds

You don’t have to look further than Los Angeles in December for an example. With nearly 10 inches of rain, it was the second-wettest such month on record for the city, according to the National Oceanic and Atmospheric Administration. But the dreams of drought remediation were dashed when it became clear the jet stream did … Read more

Covid-19 vaccine booster effectiveness wanes after four months but still offers protection, study finds

Evidence of waning protection “reinforces the importance of further consideration of additional doses to sustain or improve protection” against Covid-19-linked hospitalizations and emergency department visits, one of the studies says. That study, published in the CDC’s Morbidity and Mortality Weekly Report, examined vaccine effectiveness against Covid-19 hospitalizations and emergency department and urgent care visits among … Read more

One male hair loss treatment works better than others, study finds

Studies on which nonsurgical treatments work best for male-pattern baldness have been limited, leaving men at a loss as to the most effective solution. Now a new meta-analysis of 23 studies sheds light on that issue. The study, published Wednesday in the journal JAMA Dermatology, analyzed research on the impact on thinning male hair of … Read more

When the Delta variant dominated, vaccination and prior infection protected against Covid-19, but vaccination was safest, study finds

The data included in the study was collected before the Omicron wave in the United States, and before boosters were widely available. The CDC says it will publish additional data on Covid-19 vaccines, boosters and the Omicron variant later this week. “Although the epidemiology of COVID-19 might change as new variants emerge, vaccination remains the … Read more