health

Common Antiseptic Ingredients De-Energize Cells and Impair Hormone Response

A new in-vitro study by University of California, Davis, researchers indicates that quaternary ammonium compounds, or “quats,” used as antimicrobial agents in common household products inhibit mitochondria, the powerhouses of the cell, as well as estrogenic functions in cells. Their findings appear online today (Aug. 22) in Environmental Health Perspectives, a publication of the National Institute of Environmental Health Sciences. Quats are…

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Racism Aggravates Treatment-Resistant Asthma

Racial discrimination experienced by African-American children and young adults exacerbates a type of asthma known to be resistant to standard treatment, according to a study headed by researchers at UC San Francisco. The 576 study participants, who were African-Americans with asthma, aged between 8 and 21, were asked if they had been hassled, made to feel inferior or prevented from…

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Researchers Discover What May Be Earliest Stage of Alzheimer’s

Older adults with elevated levels of brain-clogging plaques — but otherwise normal cognition — experience faster mental decline suggestive of Alzheimer’s disease, according to a new study led by the Keck School of Medicine of USC that looked at 10 years of data. Just about all researchers see amyloid plaques as a risk factor for Alzheimer’s. However, this study presents…

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Scientists 3-D Print Mouse Ovaries That Actually Make Babies

Not all girls grow up to be mothers. Sometimes they choose not to be, and sometimes circumstances take those choices away. A superfluity of cancers and genetic diseases can destroy women’s ovaries. Or treatments like radiation—used to save a woman’s life—can render those egg-producing organs useless. Ovaries also mediate female hormones. Without them, young patients might never go through puberty;…

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Study of Worms Reveals ‘Selfish Genes’ That Encode A Toxin – and Its Antidote

A UCLA study has found that a common strain of Caenorhabditis elegans — a type of roundworm frequently used in laboratory research on neural development — has a pair of genes that encode both a poison and its antidote. The new research also revealed that if worms with the two genes mate with wild strains of C. elegans that don’t have both genes,…

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