Life sciences/Physiology/Pathophysiology/Neoplastic processes/Tumor development
Toxicologists have long held that the dose makes the poison: A substance can cause harm only in amounts high enough to overwhelm the body’s defenses. But a major conceptual shift is underway, a leading expert said recently at AAAS, with much more attention being paid to low-dose chemical exposures and the impact they can have even many years later.
Artificial Light Impacts Astronomy as Well as Human Health, the Environment, and World Views, Experts Say
A mysterious and deadly cancer that has been plaguing populations of Tasmanian devils for more than a decade must have abandoned its original host long ago, essentially becoming a parasite of the devils, researchers say.