Uncategorized

  1. Earth

    Counterintuitive Toxicity

    Toxicologists risk missing important health effects, both good and bad, if they don't begin regularly probing the impacts of very low doses of poisons.

    By Janet Raloff

  2. 19781

    Regarding this article, there are also suspected connections between high-impedance commuting and blood pressure, commuting and unhealthy exposure to air pollution, and commuting and back problems and anxiety. Combined with the effects of auto emissions on global warming, one would think that national debates on sprawl and mass transit are long overdue. Julia JorgensenHouston, Texas […]

    By Science News
  3. Humans

    Weighing In on City Planning

    Accumulating evidence suggests that urban sprawl discourages physical activity and may thereby contribute to obesity and related health problems.