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FRIDAY, April 23, 2021 (HealthDay News) -- Isolated NBA players who recovered from COVID-19 but still tested positive for the virus didn't infect others after leaving isolation, a new study finds.That someone who has had COVID can infect others has been a persistent fear, but these findings from the professional basketball league suggest that many who recover can return to contact with others without spreading the virus, researchers say."COVID-19 reinfection is possible, especially now with new variants, and every positive test should be taken seriously," said lead researcher Christina Mack of IQVIA, Real World Solutions in Durham, N.C.This 2020 study, however, showed that sensitive tests such as RT-PCR may continue to yield a positive result after people have recovered from COVID. In...

FRIDAY, April 23, 2021 (HealthDay News) -- Overweight and underweight women have a higher risk of repeated miscarriages than those whose weight is average, a new study finds.Miscarriage is the most common complication of early pregnancy, occurring in 15% to 20% of all pregnancies. Recurrent miscarriage (two or more consecutive early miscarriages) is often attributed to numerous medical factors and lifestyle influences, but the cause is unexplained in roughly half of cases.To learn more about how a woman's lifestyle may affect her risk, the researchers reviewed 16 studies. Recurrent miscarriages were found to be more common among women who were underweight (body mass index [BMI] below 18.5); overweight (BMI of 25 to 30); or obese (BMI above 30). BMI is an estimate of body fat based on...

FRIDAY, April 23, 2021 (HealthDay News) -- If you suffered migraine headaches before menopause, you're at higher risk for high blood pressure once your periods stop, a new study warns.Migraines occur more often in women than men, and are most common in the years before menopause, according to study author Gianluca Severi of the French National Institute of Health and Medical Research in Paris."Doctors may want to consider women with a history of migraine at a higher risk of high blood pressure," he said.Fewer women have the debilitating headaches after menopause, but that's when more women develop high blood pressure. Migraines are a risk factor for heart disease, so researchers wanted to see whether a history of migraines is associated with an increased risk of blood pressure after...

FRIDAY, April 23, 2021 (HealthDay News) -- There's no evidence of genetic damage in the children of parents who were exposed to radiation from the 1986 Chernobyl Nuclear Power Plant disaster in Ukraine, researchers say.Several previous studies have examined the risks across generations of radiation exposure from events such as this, but have yielded inconclusive results.In this study, the investigators analyzed the genomes of 130 children and parents from families where one or both parents were exposed to radiation due to the Chernobyl accident, and where children were conceived afterward and born between 1987 and 2002.There was no increase in gene changes in reproductive cells of study participants, and rates of new germline mutations were similar to those in the general population,...