19-44 Segment 1: Mass Violence: How Much Is Mental Illness To Blame?

Mass shootings and other forms of mass violence are on the increase. Where to assess blame is in sharp dispute. A new report from a blue ribbon panel of behavioral scientists has found that mental illnesses carry some of the blame, but mental “distress” is a much more likely factor. Panel members discuss mental health first aid, red flag laws, and other report recommendations on ways to prevent mass violence.

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19-43 Segment 1: Climate Change = Less Nutritious Foods

Rising levels of carbon dioxide in the atmosphere are making crops grow bigger & faster. However, researchers have found that these crops contain significantly lower levels of protein, iron, zinc, and other important nutrients, potentially endangering nutrition for hundreds of millions of people. Experts explain the effect will get worse as CO2 levels continue to rise, and what might be done to combat the problem.

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19-41 Segment 1: Rural Maternity Units Closing

A large number of hospitals in rural areas have closed, and many more have closed their maternity units, leaving many rural mothers-to-be with no nearby place to deliver their babies or even get prenatal care. Experts discuss the financial and demographic reasons behind these closures, the danger it presents to mothers and children, and some ways to counter the risk.

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19-40 Segment 1: Does Prenatal Fluoride Lower IQ?

Fluoride in community drinking water has been controversial since its introduction nearly 75 years ago. A new study adds to this with evidence that pregnant women who drink fluoridated water may produce children with slightly lowered IQ. The study author and two other experts discuss what’s known and what the ramifications of the study could be for communities, for oral health, and for children.

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19-39 Segment 1: Genetic Testing and Family Secrets

The availability of consumer DNA tests and databases has allowed long-hidden family secrets to be revealed, including mistaken paternity and unknown siblings. It has also taken the anonymity away from some cases of sperm donation. Two experts discuss the ethics of overturning this promised secrecy and the impact that the revelation of secrets can have on entire families.

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19-38 Segment 1: Heat and Violence

Violence increases as temperatures rise in the summer, but are higher temperatures a cause of aggression? New research shows that the answer is yes, especially in family conflict, and that poor neighborhoods bear the brunt of the relationship. Researchers discuss the synergy between poverty, heat, and aggression, and speculate that a warmer world in the future could be a more violent one.

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19-36 Segment 1: Surviving An Active Shooter

With the recent active shooter incidents in El Paso and Dayton, these incidents no longer seem rare, and experts say there’s been a shift in public perception. Now they seemingly could happen anywhere, and it’s become a public health issue. Two experts discuss the changing theory of how to survive an active shooter incident through what’s called “run, hide, and fight.”

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