Toxicology

  1. Environment

    Vaping linked to host of new health risks

    Animal studies and analyses of gene activity point to broad range of potential new health risks from vaping affecting everything from sperm to heart and immunity to mental health.

    By Janet Raloff
  2. Environment

    PCB levels still high in Europe’s killer whales, smaller dolphins

    PCBs banned for decades still show up at extremely high concentrations in Europe’s killer whales and other dolphins.

    By Susan Milius
  3. Environment

    Year in review: BPA alternatives aren’t benign

    Evidence is accumulating that at least one popular alternative to bisphenol A can enter the body and trigger developmental and physiological changes.

    By Janet Raloff
  4. Environment

    Air pollutants enter body through skin

    Although scientists have largely viewed skin as an unimportant portal to blood for toxic air pollutants, new human data show that skin can surpass lungs as a route of entry.

    By Janet Raloff
  5. Environment

    Home fires, farm fumes are leading causes of air-pollution deaths

    Deadly air pollution comes from surprising sources, but toxicity of different types is still up in the air.

    By Beth Mole
  6. Environment

    Molting seals shed mercury along with fur

    Seals spew amassed mercury when they shed, creating hotbeds of pollution in otherwise pristine coastal environments.

    By Beth Mole
  7. Environment

    Latest BPA replacement seeps into people’s blood and urine

    Replacements for BPA called BPS and BPSIP may raise health risks for cashiers.

    By Beth Mole
  8. Microbes

    Bacteria in flowers may boost honeybees’ healthy gut microbes

    Honeybees may deliver doses of probiotics to the hive to help feed baby bees’ microbiome.

    By Beth Mole
  9. Environment

    Dust components may promote obesity

    Fat dust bunnies may contain obesity-boosting chemicals.

    By Beth Mole
  10. Environment

    Mystery toxins in tainted New Zealand honey nabbed

    Sweet and stealthy toxins have been caught sticky-handed, potentially solving a decades-long mystery of tainted honey in New Zealand.

    By Beth Mole
  11. Environment

    Rising dolphin deaths linked to Deepwater Horizon spill

    Lung lesions and other injuries link an extensive die-off of dolphins in the Gulf of Mexico to the 2010 Deepwater Horizon oil spill.

    By Beth Mole
  12. Animals

    Bees may like neonicotinoids, but some may be harmed

    Two high-profile tests raise worries that bees can’t avoid neonicotinoid pesticides and that wild species are at special risk.

    By Susan Milius