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Night Shifts Harm Health: Study Finds Higher Risks
14 Apr
Summary
- 77% of night shift workers show increased insulin resistance.
- Night workers have lower testosterone and unhealthy cholesterol.
- Circadian rhythm disruption linked to metabolic and hormonal issues.
A recent study by doctors from Gandhi Medical College, Secunderabad, indicates that night shift workers in Hyderabad face substantial health challenges. The research found that approximately 77% of these workers exhibit higher insulin resistance, a precursor to Type 2 diabetes.
Furthermore, night shift employees demonstrated lower testosterone levels and unhealthy cholesterol profiles compared to their day-shift counterparts. These metabolic and hormonal imbalances were observed even in younger and leaner night workers.
Doctors attribute these adverse health effects to the disruption of the body's internal clock, or circadian rhythm. This disruption affects the release of melatonin, crucial for body repair, and can lead to reduced mitochondrial efficiency.
Growth hormone levels were found to be lower in night workers, consistent with the hormone's release pattern during sleep. The study also noted a higher incidence of mild thyroid dysfunction among night shift personnel.
Health professionals caution that traditional health screenings focusing solely on weight or waist size may overlook these hidden risks. They emphasize the need for health assessments that consider circadian rhythm disruption and hormonal changes, particularly for individuals in sectors with common night shift work.
