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Medical Notes: Week of April 30, 2017

Firefighter heart attack deaths, a link between sleep and dementia, and avoiding eating junk food by…waiting.

You are here: Home / Archive / Medical Notes / Medical Notes: Week of April 30, 2017
Published: April 30, 2017 by RHJ Producer

One of the most dangerous professions of all is “firefighter.” But the job carries more than just the risk involved in answering a call. Nearly half of all on-duty deaths are a result of heart attacks, often after the call is over. Now a study in the journal Circulation may show why. Researchers say that extreme heat combined with physical exertion dehydrate the body, divert blood to the skin, lower blood pressure and increase blood clotting in the body. Firefighters involved in the study rescued a simulated victim during exposure to temperatures as high as 750 degrees.

People are supposed to get eight hours of sleep per night if they can but more than nine hours a night could be an early sign of dementia. A study in the journal Neurology finds that elderly people who consistently sleep more than nine hours a night have twice the risk of dementia over the next 10 years as people who sleep less. The risk climbs to six times normal in long sleepers without a high school degree.

And finally… if you want people to avoid junk food in vending machines, make them wait. In a study presented to the Society of Behavioral Medicine, researchers rigged vending machines with a 25-second delay before dispensing junk food, and a notice of the delay on the machine’s LED screen. Purchasers had a chance to buy something else to avoid the delay, and many did. Healthy snack purchases increased by as much as five percent.

Program #: 17-18Segment Type: Medical NotesTopics: Biology| Business and Industry| Employment and Workplace Issues| Neuroscience and Neurology| News and Headlines| Nutrition and Diet| Public Health and Public Safety| SleepMedical Conditions: Alzheimer's Disease and Dementia| Cardiovascular/Heart DiseaseMedical Journals: Circulation| NeurologyInstitutions & Organizations: Society of Behavioral Medicine
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About RHJ Producer

Since 1992, Radio Health Journal has been bringing listeners useful, verifiable information they can trust and rely on in the fields of medicine, science & technology, research, and the intersection of health & public policy. Both Radio Health Journal and sister show Viewpoints Radio are AURN productions.

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