What's ID, you ask? It's more than what I get asked for every time I want to see a rated-R movie or buy a pack of cigs (My for-real, I'm in an American Lung Association sponsored smoking cessation class quit date is Feb 3rd--wish me luck. In the interim, the woman at the corner store-- with what are apparently the early signs of dementia--asks me every single time, "What are you, in middle school?" No, ma'am. Just flat-chested and baby-faced. Moisturize, and you too could be mistaken for half your age!). It's Infectious Disease, y'all, and it's super cool.
Did you know there are more microbes in and on your body than there are cells that belong to you? So even if you're an atheist, or agnostic, or on a desert island...you're REALLY never alone. I know it's weird, but it's sort of a comforting thought. You, by yourself, are a community--an ecosphere all your own!
There are lots of microbes that live happily with you and don't cause any disease...it's called commensalism, or mutualism. Actually some bacteria even feed you--making Vitamin K in your intestines, for example. Others live on your skin and keep bad guys like MRSA (the nasty 'superbug' that's been in the news lately) from taking over...like your own little bacterial bouncer patrol.
And even bad bugs--enterococci that cause gastritis, para ejemplo--have some mechanisms of action that are truly amazing (sort of like how you hate the Bond villain in every movie but are frankly amazed at the intricacy and detail of his/her evil schemes): E. coli can actually get INTO your bladder cells and chill out there, evading detection. You get treated for a UTI, all the 'outside' bacteria are wiped out, but then there are these little 'seeds' of e. coli lying dormant-ish, waiting, and then BAM! Even though you haven't been reinoculated (ie, you haven't gotten more bacteria into your bladder by having sex and not peeing afterwards, or wiping back-to-front, or wearing tight pants, or whatever else is on the 'not-to-do' list these days) you're reinfected. Whoa. Take that, Mr. Bond.
Also, staphylococcus aureus is named that because 'aureus' is from the (Latin?) root for gold...y'know, Au? Remember the periodic table, kids?...and when you plate them out, the colonies are a brilliant gold color that's frankly stunning. I know I'm going to earn some weird looks for this, but especially when they're plated on blood agar, the contrasting colors are spectacular. I'd put a picture of that up in my living room, with the caveat that no one be allowed to ask what it is.
PS--No, I'm still totally married to psych, but ID is definitely, undeniably enthralling.
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