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MIS-C — multisystem inflammatory syndrome in children — is a rare but life-threatening complication of COVID in which a hyperactive immune system causes damage throughout the body.

More than 5,200 of the 6.2 million U.S. children diagnosed with COVID have developed MIS-C, a rare but life-threatening complication of COVID-19, and pediatric intensive care units are now struggling to save the latest round of extremely sick children. Read more»

New study finds suicide risk may be hereditary but it's still important to pay attention to the warning signs.

Patterns of suicidal inheritance are murky but a genetic study shows that stuff "runs in families," says University of Utah researcher. Read more»

Research mosquitoes in the lab at the University of Arizona feed at a rubber bladder filled with expired human blood.

University of Arizona researchers have forged a path toward mosquito birth control, manipulating DNA to fight such mosquito-transmitted diseases as Zika, malaria and West Nile virus. Read more»

Katie Henricksen, registered nurse at Arrowhead Hospital in Glendale, places bandage on newborn after getting blood sample for newborn screening test.

PHOENIX – Counting 10 fingers and 10 toes doesn’t begin to tell parents and doctors whether a baby is healthy. With that in mind, state health officials screen blood samples from newborns to identify hidden health problems that can prove fatal. Read more»

Cronkite News reporter Anne M. Shearer holds a picture of her mother, Susan Knudson, who died in June of ovarian cancer. Because her mother tested positive for a gene mutation carrying an increased chance of ovarian and breast cancer, Shearer is deciding whether to be tested herself.

“This doesn’t have to happen to you.” My mom, Susan Knudson, told me that from her hospital bed in May, less than a month before dying of ovarian cancer at age 54, leaving behind my father, my two brothers and me. Read more»

Are genetically modified crops “Franken-foods” or the answer to global hunger and climate change? That is the dilemma dividing Latin America, where vast quantities of GM crops are grown. Ecuador’s constitution actually prohibits them and Peru recently voted for a 10-year moratorium. Read more»