What do flu shots and erectile dysfunction have in common?

The answer: cancer therapy. Tumor removal is an invasive and stressful process for the body. After surgery, it's common for some straggling cancer cells to be left behind. With one's system in such a vulnerable state, the body's immune system often can't keep these rogue cells from spreading and causing the cancer to come back. …

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Toasters and autism: basics of scientific method

Last week, I published a post talking about data manipulation and the importance of controls during an experiment. It turns out, this is a hugely complex subject, so I wanted to follow that whole train wreck with something a little simpler. Here are a few more examples of scientific method. My hope is that these will …

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Herd immunity: the proof in the pudding

A recent article in the US News talked about a really cool thing happening with human papillomavirus (HPV). It's the phenomenon called herd immunity, and it seems to be working. First, some basics on herd immunity. Many of you may have a good grasp on it already. For those who don't, PBS's NOVA gives a great description of it. …

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