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CNN – Health

In the US, West Nile virus is leading cause of viral disease spread by insects, CDC study says

By Jacqueline Howard, CNN (CNN) — This summer has brought a flurry of warnings about cases of mosquito-borne illnesses, including malaria, dengue and Eastern equine encephalitis. But West Nile virus, transmitted primarily through the bite of an infected mosquito, continues to be the leading cause of viral disease spread by insects, known as arboviral disease,

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How to reverse the damage your kid’s sedentary time has done to their heart

By Madeline Holcombe, CNN (CNN) — Sign up for CNN’s Fitness, But Better newsletter series. Our seven-part guide will help you ease into a healthy routine, backed by experts. Childhood inactivity may be increasing risk for heart disease later in life, according to new research. The time kids spend being sedentary may be correlated with an increase

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Asthma-related ER visits in the US were 17% higher than expected during Canadian wildfires, new CDC study finds

By Jacqueline Howard, CNN (CNN) — Wildfires in Canada that caused smoke to blanket parts of the United States in recent months were linked to a significant rise in emergency hospital visits related to asthma. Emergency department visits for asthma in the United States were 17% higher than expected when wildfire smoke occurred, according to

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FDA warns against using certain eye drops over microbial contamination

By Katherine Dillinger, CNN (CNN) — The US Food and Drug Administration has issued a warning against buying or using certain eye drops from Dr. Berne’s and LightEyez due to microbial contamination. The drops contain methylsulfonylmethane or MSM, a naturally occurring organosulfur compound popular in complementary and alternative medicine, as the active ingredient. The FDA

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Early testing suggests variant BA.2.86 has been detected in US wastewater, CDC report says

By Brenda Goodman, CNN (CNN) — Preliminary testing of wastewater in the United States has detected the new highly mutated coronavirus variant BA.2.86, according to a risk assessment posted Wednesday by the US Centers for Disease Control and Prevention. The CDC did not give details on where the positive wastewater sample had been collected but said

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Brain implants can help people with paralysis ‘speak’ through screens faster, more accurately than before, new studies show

By Jacqueline Howard, CNN (CNN) — Dr. Jaimie Henderson had a single wish throughout childhood: for his father to be able to speak with him. Now a scientist and neurosurgeon at Stanford Medicine, Henderson and his colleagues are developing brain implants that might be able to make similar wishes come true for other people with

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1 in 5 women – and even more Black, Hispanic mothers – report mistreatment during maternity care, according to CDC report

By Deidre McPhillips, CNN (CNN) — About 1 in 5 women were mistreated while receiving maternity care, and nearly a third faced discrimination, according to a new report from the US Centers for Disease Control and Prevention. The negative experiences were even more common for Black, Hispanic and multiracial mothers: About 30% of Black and

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Mediterranean diet during pregnancy improved 2-year-olds’ cognitive, social abilities

By Sandee LaMotte, CNN (CNN) — Mothers who followed the Mediterranean diet while pregnant improved their children’s cognitive, social and emotional development at age 2 compared with children whose mothers did not follow the diet, according to a new randomized clinical trial. “Despite previous evidence suggesting (an) association between adverse lifestyle (patterns) and poorer child neurodevelopment, no previous studies had evaluated

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5 ways to spot a narcissist

By Madeline Holcombe, CNN (CNN) — Not all narcissists are CEOs, celebrities or characters in a crime show. In fact, they may be around you more than you think. There is narcissistic personality disorder, which is rare at 1% or 2% of the population, said Dr. W. Keith Campbell, professor of psychology at the University

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