From 1940 until the early 1980s, hundreds of children who suffered from severe asthma were separated from their parents and lived at the Children’s Asthma Research Institute and Hospital in Denver. Decades later, former patients talk about the life-altering experience. — By first grade, Kristina Friman was using a nebulizer twice a day to keep her asthma in check. Her medication regimen included theophylline, Entex, mucomyst, and, for acute attacks, adrenaline injections. Still, her asthma only got worse: By fourth grade, she had been hospitalized multiple times and suffered a collapsed…