Large mammals, such as whales and elephants, have very low rates of cancer compared to smaller mammals, such as humans. Scientists believe they have found the genetic answer to this paradox. fhm/Getty Images You have no idea what your DNA is up to right now. You might not be able to see it or feel it working, but it’s there, it never sleeps and it’s basically got you hogtied. You can’t see your genetic material, but it’s an entire universe of biological instructions — and a lot of the time they’re not even very good instructions. Your DNA could be making coarse black hairs grow out of your palms right now; it could also be nonchalantly protecting you from cancer. It could also be doing absolutely nothing. There’s no telling. Here’s the thing: Evolution doesn’t have some great plan for you, personally. Whether or not you have genes that tell your palms to grow whiskers and your body to fight cancer — that’s mostly just happenstance. Mostly. But from time to time, DNA has been known to pull incredible Hail Marys. Take elephants, for instance. They very rarely get cancer — an elephant’s cancer mortality rate is just under 5… Read full this story
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