How worried should the world be about bird flu in humans? A year-long avian flu epidemic has raised concern that the virus could spread to humans. It is already passing from mammal to mammal — an important step in a virus jumping into humans, although experts say the immediate risk is low. Read more

Pancreatic cancer is rising faster among women. Why this is happening isn’t yet clear, experts say, and there’s also been a rise in the rates of an extremely aggressive form of pancreatic cancer. Read more

No sign that ADHD meds in pregnancy raise odds for ADHD, autism in kids. The new findings may provide welcome relief to women who’ve needed to take ADHD medication throughout their pregnancy. Read more