diseases

In the event of some terrible outbreak -- SARS, "swine flu," whatever it was Gwyneth Paltrow got at the beginning of Contagion -- the airports most likely to spread disease aren't necessarily the biggest or the busiest, according to a new study.

Would you like to live to 100?  Take Dr. Perls' test.

30 years ago, four letters equaled a death sentence. AIDS was shrouded in mystery. Was it contagious by breathing the same air as an infected person? By touching them? Kissing them?

If we needed another reason to work to improve treatment of Alzheimer's disease, check out these alarming statistics.