In March, the Senate approved the Sunshine Protection Act - which, if passed, will make daylight savings time permanent. The bill has been praised by many, but Mariana Szklo-Coxe says not so fast. She studies how permanent daylight savings time will affect our sleep. Plus: Postpartum depression is one of the leading complications of childbirth, but most mothers are never screened for it. Jennifer Payne conducted a worldwide study and found that first time moms, young moms, and moms with twins have the highest rates of postpartum depression.

Later in the show: Chemotherapy is the best weapon we have at fighting cancer. But it’s notoriously hard on the body and causes a number of side-effects. Maxwell Hennings studies chemo brain, a mysterious ailment linked to cognitive decline in some patients who have undergone chemotherapy. And: Many people are prescribed drugs like Prilosec and Prevacid to treat their heartburn symptoms. But what if those same drugs could fight cancer? Randall Reif says these heartburn drugs could have the potential to revolutionize the way we treat certain cancers.