Published by the Students of Johns Hopkins since 1896
June 27, 2025 June 27, 2025 | Published by the Students of Johns Hopkins since 1896

Science & Technology

DEPARTMENT OF FOREIGN AFFAIRS AND TRADE/CC-BY-2.0 A patient’s conditions can be worsened if he or she experiences long waiting times at a hospital.

Long hospital stays can put stress on patients

By JOAN YEA | November 5, 2015

People usually go to the hospital to treat an illness, but staying in a hospital for too long may cause its own health problems. Hospitalization-induced malnutrition and sleep deprivation can cause significant physiological stress in patients, according to a recent commentary published in the journal BMJ Quality & Safety on Sept. 8.

VENTURIST/CC-BY-2.0 The circadian rhythm, which regulates sleep cycles, is more complicated than was thought.

Retina has its own circadian rhythm

By JOAN YEA | October 22, 2015

The suprachiasmatic nucleus (SCN), a wing-shaped structure in the hypothalamus, operates as the body’s internal clock, synchronizing circadian rhythms of separate tissues to generate an approximately 24-hour circadian cycle for the entire body.

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