University of Pennsylvania School of Medicine

Rocking the vote from rocking chairs

For seniors, voting can be difficult: standing with a walker or cane in the voting booth, struggling to read the tiny print on the ballot or trying to punch the tiny button to vote for the intended. Despite the desire to ...

Mar 16, 2011
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Immune cells protect body from invaders

So-called barrier sites -- the skin, gut, lung – limit the inner body’s exposure to allergens, pollutants, viruses, bacteria, and parasites. Understanding how the immune system works in these external ...

Feb 07, 2011
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