Hernan Rozemberg writes in the San Antonio News: After more than two decades on the books, a little-known yet strictly enforced federal law barring foreigners with HIV or AIDS from entering the country...

Is there no end to immigration as a source of social pathology? the Washington Post tries its hand at a medical sob story, but the brutal facts detract from any heart-tuggy aspect. Though Hispanics mak...

Even I appreciate culinary diversity up to a point, but the news of a drug-resistant form of TB passed via cheese has made me rethink a plate piled with nachos. This is a worrisome development, particu...

Alameda County TB control officer Dr. Robert Benjamin warned that tuberculosis among H-1B visa holders has dramatically increased. "During the dot-com boom, we in Alameda County and I know other Bay Ar...

In Third World (Africa, Asia, Bangladesh) the World Health Organization does good work telling the locals that they save lives and prevent disease by washing their hands. It's part of the work of agenc...

Richard Widmark died yesterday—he was 93, and I didn't know he was still alive. His first memorable role was as the psychotic killer Tommy Udo in Kiss Of Death, (1947) who commits a shocking murder whi...

Someone asked me if the recent outbreak of listeria in Massachusetts, where two people died from tainted milk, involved immigration. The answer is, apparently not. A similar outbreak in North Carolina ...

Syphilis and gonorrhea are far less common today than they were before antibiotics—and free condoms—were introduced. That's the good news. The bad news: The number of STD [sexually transmitted diseas...

I haven't donated blood for a while, but when I did, the nurse would ask me a bunch of questions to find out if I had strange diseases that you get in strange foreign countries. One of the things she w...

Brandon Keim writes at Wired: Nearly one in twenty patients carry drug-resistant staph bacteria, a number ten times higher than previous estimates, say researchers from the Centers for Disease Control ...