Good News for Coffee Lovers

By Tanya Lewis, Josh Fischman, Kelso Harper | April 12, 2023
https://www.scientificamerican.com/podcast/episode/we-have-good-news-for-coffee-lovers/

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1. Scientific American's podcast "Your Health, Quickly" features health news and discoveries.
2. A single subject, such as diseases, treatments, or disputes, is the focus of each episode.
3. Josh Fischman and Tanya Lewis, senior health editors, are the podcast's hosts.
4. Lewis and Fischman talk about the negative health impacts of coffee in this episode.
5. The effect of coffee on cardiac rhythms has been clarified by a recent study.
6. Because it was a randomized trial, the study was unique from earlier research on coffee.
7. The study focused on arrhythmias, or irregular heart rhythms.
8. For two weeks, 100 participants were randomly allocated to either drink coffee or not.
9. Participants in the study were required to wear a continuous glucose monitor, a FitBit, and a heart monitor.
10. A smartphone app collected GPS position information so that researchers could determine when people visited coffee establishments.
11. The researchers discovered that coffee consumption did not lead to an increase in early atrial contractions.
12. Those who drank coffee did exhibit a small increase in premature ventricular contractions.
13. More daily steps were linked to coffee drinking.
14. Coffee consumption increased daily steps by an average of 1,000.
15. Additional 1,000 daily steps have been associated with a lower risk of passing away in other research.
16. On days when they drank coffee, coffee drinkers slept for an hour less on average.
17. Depending on whether participants metabolized coffee quickly or slowly, the effects on sleep were different.
18. Slow metabolizers who had coffee slept for around an hour less.
19. The research backs up earlier observational studies that did not find an increased incidence of cardiac arrhythmias.
20. Coffee consumption has been associated with a decreased lifetime risk of both diabetes and overall mortality.
21. Because every person is unique, various people react differently to coffee.
22. Avoid coffee if it makes you feel ill.
23. Consuming moderate amounts of coffee is generally harmless.
24. Because it might be difficult to isolate factors, nutrition studies can be tricky to conduct.
25. The majority of studies on nutrition are observational.
26. It is impossible to completely rule out other factors that might influence the thing you're seeking to evaluate in observational research.
27. In addition, consumers must record their food and beverage intake weeks or months after they consume it.
The University of California, San Francisco's Gregory Marcus, a professor of medicine and cardiologist, oversaw the coffee study.
29. Premature ventricular and atrial contractions were examined in the study.
30. People at risk for atrial fibrillation have too many premature atrial contractions.
31. For some persons, drinking coffee increases their level of activity.
32. Whether coffee is healthy or unhealthy for you is a complex question.
33. Depending on how much they drink, coffee has various effects on each individual.
34. The effects of coffee can be complicated.
35. Your Health, Quickly is a part of Scientific American's podcast: Science, Quickly.