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 ...

Diseases, Conditions, Syndromes

Researchers question benefits of long term oxygen therapy in COPD

Long-term oxygen therapy does not decrease the risk for hospitalizations or increase life expectancy for many patients with mild to moderate COPD, but may lower their quality of life, according to Mayo Clinic researchers ...

Inflammatory disorders

When flying leads to stomach pain

Patients with a chronic intestinal inflammation often experience bouts of inflammation after a journey. The main cause of this is not the stress of travelling, but the lack of oxygen experienced in an aircraft or during high ...

Medications

No evidence that doping enhances athletic performance

(HealthDay)—Although use of recombinant human erythropoietin (rHuEPO) is prohibited among athletes because it reportedly enhances performance, there is no scientific evidence that it does so, according to a study published ...

Neuroscience

Preventing brain damage with innovative sensors

Swiss SME NeMoDevices and its partners have developed and patented two groundbreaking sensors to help doctors save the lives of patients threatened by strokes and other brain injuries. With commercialisation negotiations ...

Biomedical technology

Blood bubbles reveal oxygen levels

Blood carries vital oxygen through our circulation system to muscles and organs. Acoustic tools can create small bubbles in our blood, capable of changing in response to oxygen and signifying oxygen levels.

Oncology & Cancer

Scientists define a new mechanism leading to tumor hypoxia

An article published recently in Tumor Microenvironment and Therapy - an open access journal by Versita, defines a novel mechanism of tumor hypoxia induced by the longitudinal gradient of residual oxygen along tumor vessels ...

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