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Cardiovascular

Effects of Exposure to 5

No Effects Found

Miyakoshi J, Tonomura H, Koyama S, Narita E, Shinohara N · 2019

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Environmental stressors like cold trigger measurable inflammatory responses within hours, highlighting how continuous EMF exposure may create chronic stress states.

Plain English Summary

Summary written for general audiences

Researchers exposed 20 people to 30 minutes of acute cold to study how it affects inflammation and metabolism. They found cold exposure increased energy expenditure by 52%, raised certain inflammatory markers like IL-1β by 65%, and boosted HDL cholesterol levels by 15%. The study shows how environmental stress triggers measurable changes in our body's inflammatory and metabolic systems.

Cite This Study
Miyakoshi J, Tonomura H, Koyama S, Narita E, Shinohara N (2019). Effects of Exposure to 5.
Show BibTeX
@article{effects_of_exposure_to_5_ce2942,
  author = {Miyakoshi J and Tonomura H and Koyama S and Narita E and Shinohara N},
  title = {Effects of Exposure to 5},
  year = {2019},
  doi = {10.31487/J.JICOA.2019.01.004},
  
}
DOI: 10.31487/J.JICOA.2019.01.004

Quick Questions About This Study

Cold exposure increased energy expenditure by 52% and whole body oxygen consumption by 50%. Heart rate also increased by 11%, demonstrating significant metabolic activation from just 30 minutes of cold stress.
IL-1β showed the largest increase, rising 24% immediately after cold exposure and jumping 65% two hours later. This cytokine is a key inflammatory signaling molecule linked to immune system activation.
Yes, the study found sex differences in HDL cholesterol responses, along with differences in several inflammatory markers including IL-2, IL-6, IL-8, and ferritin between male and female participants during cold exposure.
IL-1β remained elevated 65% above baseline two hours after cold exposure ended, while α-2-macroglobulin returned to normal levels. This shows some inflammatory responses persist while others quickly resolve.
Participants experienced 4-fold increases in shivering sensations and 2-fold increases in pain during the 30-minute cold exposure, indicating significant physiological stress responses that accompanied the metabolic changes.