Attention deficit disorders

Rates of ADHD appear to decrease at higher altitudes

Recent research has linked the thin air of higher elevations to increased rates of depression and suicide. But a new study shows there's also good news from up in the aspens and pines: The prevalence of attention deficit ...

Oncology & Cancer

Can inhaled oxygen cause cancer?

The ancient physician/alchemist, Paracelsus, said: "The dose makes the poison." According to a new study published in PeerJ, even oxygen may fall prey to the above adage. While essential to human life, aspects of oxygen metabolism ...

Ophthalmology

Acute glaucoma discovered to be an inflammatory disease

Researchers at the University of California, San Diego School of Medicine and Sun Yat-sen University in China have shown that acute glaucoma in mice is largely an inflammatory disease and that high pressure in the eye causes ...

Genetics

The genetic origins of high-altitude adaptations in Tibetans

Genetic adaptations for life at high elevations found in residents of the Tibetan plateau likely originated around 30,000 years ago in peoples related to contemporary Sherpa. These genes were passed on to more recent migrants ...

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