Medical research

Surplus antioxidants are pathogenic for hearts and skeletal muscle

Many heart diseases are linked to oxidative stress, an overabundance of reactive oxygen species. The body reacts to reduce oxidative stress—where the redox teeter-totter has gone too far up—through production of endogenous ...

Oncology & Cancer

Researchers identify subtypes of squamous cell lung cancer

Lung cancer is the number one cause of cancer-related deaths in the United States, with squamous cell lung cancer (SCC) being one of the common types. Despite improved knowledge of the molecular alterations in SCC, little ...

Medical research

The antioxidant role of proteins containing selenium

The prestigious journal Proceedings of the National Academy of Sciences of the United States of America this week published an article by a research team led by University of Delaware biochemist Sharon Rozovsky, examining ...

Neuroscience

Metabolism in the brain fluctuates with circadian rhythm

(Medical Xpress)—The rhythm of life is driven by the cycles of day and night, and most organisms carry in their cells a common, (roughly) 24-hour beat. In animals, this rhythm emerges from a tiny brain structure called ...

Medical research

Energy levels link sleep control mechanisms

Sleep, or lack of it, can determine level of cognitive performance which is linked with accidents as well as increased risk of serious health problems. Links between cell energy levels, gene transcription and sleep rhythms ...