- # Americans with lower back pain problems: 31 million (about 1/10 of the population).
- Fraction of days missed from work that are attributable to Musculoskeletal Disorders (MSDs): 1/3.
- % of Disability Adjusted Life Years (DALY) due to musculoskeletal disorders (worldwide): 7%
- Note: “The disability-adjusted life year (DALY) is a measure of overall disease burden, expressed as the number of years lost due to ill-health, disability or early death.” (Source: Wikipedia)
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- DALY = YLL + YLD
- For a nice infographic of this, see here:
- DALY = YLL + YLD
- % people satisfied with the thermal environment of their workplace: 11%
- Body temperature range: 97 to 100 degrees F (36 to 38 degrees C)
- Regulated by hypothalamus