After a lethal bird flu virus emerged in Asia, U.S. officials launched an intense effort to build new defenses against a pandemic, including replacing an antiquated vaccine system, which depends on millions of chicken eggs.

The daydreams start about this time every year: I imagine a Thanksgiving feast followed by post-turkey touch football on the beach; my children beside a picture-perfect Christmas tree and glowing menorah, gleeful over their gifts and good fortune; a rollicking New Year's dinner party with friends...

American doctors wrote more than 164 million prescriptions for antidepressants in 2008, making it the third-most-prescribed of any class of drugs. Now Bristol-Myers Squibb is tapping into that vast market with an aggressive advertising campaign for its blockbuster antipsychotic medication, Abilify.

Scrubs magazine, premier issue The first lifestyle magazine for nurses launched last week with articles about the nurse practitioner job market, Lenny Kravitz's role as a nurse in the movie "Precious" and scrubs fashion. That's right, these medical professionals are moving beyond the unadorned...

"Moving Beyond Earth," Smithsonian National Air and Space Museum

Last week, the U.S. Preventive Services Task Force published new mammography guidelines which recommended against routine mammography screening for women in their 40s and less-frequent screening for older women at average risk of developing breast cancer. The guidelines also said there was no evi...

"Med schools offer doses of new reality" [Nov. 10] was on target; what the people interviewed didn't tell you is the tremendous internal resistance from the old guard.

THE QUESTION After treatment for breast cancer, does the density of a woman's breasts affect whether the cancer will return.