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I've tried to understand health care for years. After 7 minutes with this guy, I totally get it now.

For as infuriatingly gigantic, messy, and crazy as our health care system is, this guy sure makes all the bajillion parts pretty easy to wrap your brain around. If you get insurance through your job, you'll want to pay attention at 1:45. If you're over 65, 2:07 is where you want to go. At 3:46, he explains why even though we're supposed to have a health care program for people who are too poor to afford insurance, it's almost impossible to qualify for it. And if, like me, you were under the impression that the Affordable Care Act (aka "Obamacare") was going to fix things, 5:20 should disabuse you of that puppy-rainbows-kittens fantasy.

I've tried to understand health care for years. After 7 minutes with this guy, I totally get it now.

FACT CHECK TIME! Yes, indeed, U.S. spending on medical research counts for the vast majority of R&D spending in the world, although according to the The Economist and U.S. News, Japan and China are not far behind. His assertion at 4:56 that even the poorest adults without children don't get Medicaid is backed up by these reports from the Center on Budget and Policy Priorities, the Kaiser Family Foundation, and Huffington Post. KFF also confirms that under the ACA, 5 million people will be left without insurance as a result of the Supreme Court decision that left the Medicaid expansion in the hands of the states. And the CBO confirms that, although the government only gives health coverage to one-third of all Americans, it foots the bill for two-thirds.

SOURCE: iSTOCK

Usually the greatest fear after a wild night of partying isn't what you said that you might regret, but how you'll look in your friends' tagged photos. Although you left the house looking like a 10, those awkward group selfies make you feel more like a 5, prompting you to wonder, "Why do I look different in pictures?"

It's a weird phenomenon that, thanks to selfies, is making people question their own mirrors. Are pictures the "real" you or is it your reflection? Have mirrors been lying to us this whole time??

The answer to that is a bit tricky. The good news is that there's a big chance that Quasimodo-looking creature that stares back at you in your selfies isn't an accurate depiction of the real you. But your mirror isn't completely truthful either.

Below, a scientific breakdown that might explain those embarrassing tagged photos of you:

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