Public Health
282 episodes
#6490: What the Evidence on Daylight Saving Actually Shows
A foundational claim about permanent sleep debt from springing forward traces back to a study of just nine adults in Finland tracked for one week.
#6460: Why Watching a Sleeping Child Defeats Attention
A study showed trained lifeguards could not complete the standard ten-second visual scan even when explicitly instructed.
#6441: Why the Body Sets Its Own Thermostat High
A fever is not the body overheating; it is the hypothalamus resetting its own thermostat upward, rarely passing forty-one degrees Celsius.
#6416: Family First Aid Audiobook: Adults
Israeli emergency protocols explicitly instruct rescuers never to give back blows to a choking adult.
#6415: Family First Aid Audiobook: Children and Infants
For an infant or child in cardiac arrest when alone, rescuers must deliver two minutes of CPR before pausing to call emergency services.
#6413: Why Pedestrian Fatalities Keep Rising on City Streets
Vehicles with front hoods over forty inches tall are forty-five percent more likely to kill a pedestrian than lower, sloping models.
#6401: Why Medication Treats Irritability, Not Overload
Risperidone and aripiprazole target behavioural irritability, yet no approved drug actually alters how sensory input is perceived.
#6339: What Daylight Saving Actually Does to Health
A pooled analysis found about a four percent relative increase in acute heart attacks following the spring clock transition.
#6329: How Israel Actually Regulates Foreign Drugs
Foreign drug approval does not ensure an automatic pass in Israel, where regulators demand unredacted foreign reviewer reports.
#6327: Why Common Colds Cause Asthma Flare-Ups
In asthmatic airways, rhinovirus can trigger excessive RIG-I inflammasome activation while impairing antiviral interferon signaling.
#6293: Ann McCann on What Dental Hygiene Teaches Us About Benchmarks
A 1990 experiment showed switching from letter grades to pass-fail changed student motivation without altering clinical errors.
#6269: How People Reach Labour Unaware They Are Pregnant
A year-long Berlin study found that one in 475 pregnancies went unrecognised beyond twenty weeks, with unawareness lasting until labour in 1 in 2,455.
#6262: Do Free Buses Actually Pay for Themselves?
When Swansea offered free weekend bus travel, ridership surged over 50% and footfall jumped, but local spending did not rise at all.
#6233: Fibromyalgia's 26 Genetic Clues
A landmark study found 26 genetic regions linked to fibromyalgia — but the drugs are still catching up.
#6232: Daycare Germs: What Immunity Actually Means
Cold after cold, two hospital visits, and the phrase "building immunity." What actually changes in a child's immune system — and is it shared?
#6231: Why a Cold Makes Your Whole Body Ache
A sore throat shouldn't hurt your calves. Here's how one localized infection recruits your entire body into feeling terrible.
#6118: What NRR Actually Means for Your Ears
That 34 dB rating on the box? Real-world protection is closer to 13. Here's how to actually pick hearing protection.
#6108: ग्रिड आधी बिजली कैसे गँवा देता है — और दिल्ली ने इसे कैसे ठीक किया
बिजली का नुकसान सिंगापुर में शून्य दशमलव दो तीन प्रतिशत से लेकर इराक में उनसठ प्रतिशत तक है। दिल्ली बावन प्रतिशत से साढ़े पाँच प्रतिशत पर आ गई, और वह भी ज़्यादातर बिना नए बिजलीघरों के।
#6080: Breastfeeding the Way Humans Actually Did It
!Kung mothers nursed every 13 minutes. Aka babies latched themselves 70% of the time. What traditional societies reveal about modern struggles.
#6079: Why Cupping Shows Up in Five Ancient Traditions
From Phelps's purple shoulders to Yiddish "bankes" — why the same suction technique was reinvented by five medical traditions.
#6006: Data Residency vs. Inference Residency: What the Law Actually Says
GDPR doesn't require local GPUs. Here's what actually drives geographically restricted AI inference — and the three layers everyone conflates.
#5928: Believing Without Belonging: The Religion of One
A growing crowd believes in God but belongs to no tradition. The research has a name for them — and the numbers are messier than you'd think.
#5923: Plus Codes: Free Addressing Nobody Uses
A free, offline, 14-metre addressing system exists — so why do ambulances still can't find the house?
#5881: How the Grid Loses Half Its Power — and How Delhi Fixed It
Losses range from 0.23% in Singapore to 59% in Iraq. Delhi went from 52% to 5.5% — mostly without new power plants.
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