Is your immune system affecting how you think?

Over at Discover, Carl Zimmer tackles a question that many of us are wondering about during flu season. Why do our brains get sluggish when we're sick? It turns out that a neuroscientist named Jonathan Kipnis is working on an answer. He studies how T cells, major players in our immune system, collect in the lining… » 2/15/13 11:58am 2/15/13 11:58am

How a handful of tiny RNA gives women better immune systems

There's a longstanding belief that, on average, women are healthier than men, and with good reason. Women live longer, and studies reveal women fight off disease better than their male counterparts. But where does this advantage come from? Turns out it's all thanks to some microRNA on the X-chromosome. » 9/28/11 7:40am 9/28/11 7:40am

Having intestinal worms could prevent allergic reactions

Intestinal worms have figured out a way to keep themselves protected from your body's immune system, by taking control of part of it. The job of flushing out these worms would normally go to your T cells, which attack invaders. But the worm Heligmosomoides polygyrus makes a protein which restrains the production of T… » 9/30/10 4:00pm 9/30/10 4:00pm

Specially engineered killer T-cells could make organ rejection a thing…

Specially engineered killer T-cells could make organ rejection a thing of the past">The greatest problem for transplant procedures is that the body's immune system will reject the life-saving replacement organ. But mice have special cells that can selectively suppress the immune response - and they could revolutionize… » 8/22/10 11:30am 8/22/10 11:30am

Top Medical Discovery of 2007 Explained via Cartoon

For a long time, it seemed as if a medical discovery that Science called "one of the greatest of 2007" might never get covered by the mainstream media because it was just too complicated. But then an enterprising journalist and artist with the Philadelphia Inquirer boldly went where no reporters dared go. Writer Tom… » 3/26/08 3:00pm 3/26/08 3:00pm