5 Genetic Discoveries in 2013
Would you rather sit around watching D News tutorials all day instead of exercising Well, if so, scientific research suggests that your genes might be to blame. Hi, I'm Cristen Conger, of Stuff Mom Never Told You, for D News. And in 2013, research on genes or the cellular instruction manuals we inherit from our parents offered some fascinating insights into how those nifty DNA packages may influence our daily habits and behaviors. For starters, researchers out of the University of Missouri pinpointed a set of 36 genes that might determine how much or little we love to exercise.
After noticing how some lab rats voluntarily jogged on their wheels while others took it easy inside their cages, the researchers bred 10 generations of the active and notsoactive rats, and found that the physical activity gap persisted between those groups of great, great, great, and so forth rat grandchildren. And the most noticeable difference between those two groups those 36 laziness genes. Now in the future, though, we might have a workaround those socalled laziness genes thanks to PLIN2, better known as the obesity gene. A promising study published in early 2013 detailed.
How turning off that PLIN2 genetic expression halted weight gain, and increased activity levels in rats, even when they were being that high fat diets. Next up, scientists plan to figure out the physiological mechanisms behind that obesity gene, and how it might work in humans. Now recent digging into our DNA has revealed not only insights into our physical health, but also our emotional health. For the first time, in 2013, researchers from UC Berkeley and Northwestern University identified a gene variant, or allele, that appeared to mediate husbands' and wives' emotional sensitivity to relationship ups.
And downs. Specifically, the people who inherited two short versions of this marital bliss gene tended to report more relationship highs and lows, whereas those with long versions of the genes were more even keeled over the long term. Now undoubtedly, some couples with kids may experience more emotional highs than lows due to a newly discovered gene that triggers early, or precocious, puberty. According to a 2013 study published in the New England Journal of Medicine, a genetic mutation passed along by fathers may cause reproductive hormones to activate in kids younger than nine years old, which.
Can lead to health complications later in life, not to mention a prolonged period of hormonerelated adolescent angst. And finally, as a rare south paw, I was interested to learn about a possible genetic explanation for handedness. It turns out that right handedness, at least, may root back to embryonic genes that organize our organs, and help our bodies develop symmetrically. But unfortunately, we'll have to wait until 2014 or later to get to the bottom of why some of us go left instead of right. But enough about me, what about you.
Lets Talk About Names. In Iceland.
I am in Iceland. It is both stunningly beautiful and stunningly cold, and it's also a very good place to talk about something you might not know, which is names. Specifically, how a lot of the world's namesperhaps even a majority don't fit into the English system of names given to you by your parents and then names inherited from your parents. Here in Iceland, for example, the idea that you have a family name handed down generation to generation to generation just doesn't happen. It's rare at best. Instead, children.
Take their parents' first name with son or daughter added to it. Which instantly makes the Icelandic telephone directory a little bit complicated you have to index by first name and by occupation because there are so few last names in total. And if that sounds strange, well think of all the people you know whose last names are gonna be Thomson or Davidson or Peterson or Jameson. All of those are that Icelandic system, which used to be the English system, it's just changed now so it is a family name. And beyond that you have.
All the people who don't go by their legal name. Technically even I don'tmy legal name is Thomas Scott, but I go by Tom. Add to that the people who go by their middle name, or who go by a nickname, or who just go by a different name for any number of reasons. Then you've got the cultures who put their family name first, which is always confusing when their trying to translate over to English. Which brings me to a bit of advice, really. If you're asking for people's names, either on a paper form or online,.
Is There A Couch Potato Gene
Are you a lazy slob who hates to work and sits around all day ME TOO. I mean really is this episode over yet It's nap time. Hey everyone, Laci Green here for DNews. Some have called the onset of the 21st century the couch potatofication of Amurica! And yes, that is scientific terminology. There's so much to do and see in the world!.And you can do it all from the comfort of your own sofa. Or office chair. Or.wherever you happen to be sitting. Now, a new study is saying.
Hey, the fact that you sit on your butt so much may not be just because of lifestyle changes of the modern world, it might actually be because of.your genes. This is some of the first hard evidence that some people may in fact be predisposed to laziness! It's the excuse to sit around that we've all been hoping and waiting for. The study was recently published in the American Journal of Physiology. Scientists at the University of Missouri basically monitored a bunch of rats and then sorted them into 2 groups based.
On how much physical activity the rats did on their own one group was the super runners and the other was the couch potatoes. Then each group was isolated so they could only breed with their own kind. They bred the rats for 10 generations, and what did they find The offspring of the super runners were willfully running an average of 10x longer every day than the couch potato group. To be sure it was actually genetic they looked at things like mitochondrial content in the muscle cells, gotta check in on how the powerhouses are running. They also looked at that rat's.
Body composition. In the end, they pinned 36 genes that may influence couch potato behavior narrowed down from 17,000. Now they've gotta figure out WHICH genes exactly and, of course, if this applies to humans. Which sounds like a lot of work, if you ask me. The study draws up that age old question, right Nature or nurture Am I lazy because I'm hardwired for it Or am I lazy because that's the lifestyle I was brought up with Because I lack discipline Or because I just really don't care As we discover that a lot.
Of these traits may in fact start in our genes, how much of said laziness is related to factors that are in my control I ask because I feel like in my heart of hearts, I am just.so unbelievably lazy. But I force myself to NOT be lazy. I hate every minute of it. BUT I STILL DO IT. Is that nature or nature So, peeps. Are you a couch potato or a superrunner Nature or nurture Tell me about it down below and I'll catcha next time here on DNews. Byebye!.
How to Find Out Gender of Baby Early
Do you know how to find out gender of baby early If you did IVF, you could pick the gender. Some people do that to avoid sexdetermined genetic disorders, picking a girl because a boy might not be healthy. This baby's conception is au natural. I'm guessing you were au natural when you conceived it, too. Well, you could do a sonogram around week 20, but accuracy goes up with time. I don't want to wait that long to find out. If you do amniocentesis, your doctor could look for genetic disorders and find out the.
Gender. How would a genetic test answer that XX equals girl. XY equals boy. I've read about a number of old midwives tales like peeing into bleach and other things. You risk creating mustard gas doing that, on top of any other gas you expel. Midwives tales are fairy tales. So the dreaming portion is also wrong They're right half the time. No one cares to mention the times it is wrong, or they just say you should try a different method. Why are there so many different methods We inherently look for patterns and relationships. There's actually a strong correlation to.
Really bad morning sickness and carrying a girl than carrying a boy. Which is more likely In that case, at least, because normal pregnancy is 51 boys and 49 girls. Women with morning sickness so bad they have to be hospitalized, which is 5 of the time, carry girls over 70 of the time. That indicator doesn't help me. What's a reliable way Wait until the baby is born. It's pretty obvious then. You're not fun at this. If you want fun, go shopping for a gender neutral nursery and picking out baby names.
Lumbar Spine Degenerative Disc Disease Herniated Discs Isolated Disc Resorption Spine Expert
We're going to talk now about degenerative disc disease it's not really a disease process that's its name but it really is a disorder just like arthritis is a disorder well remember that the disc again is the jelly filled donut you have the jelly or the nucleus on the inside which is under high pressure and you have the annulus or the outer plies of the tire there's about sixty of them that hold the jelly in over time you can get tears within the disc these tears look like this they're called.
Annular tears because the rings of collagen are making up the annulus these tears by themselves can be quite painful many times when somebody says my back went out they have just torn a very small portion of the annulus and they can be incapacitated for four five days even a couple weeks other people that get tears in the disc don't necessarily even notice them the answer to why some people are incapacitated and others aren't is a nobel prize winning answer so these tears cause back pain and if you notice that the jelly itself actually seeps into these tears.
The other very interesting thing about the nucleus or the jelly is that it is toxic to nerves why God or mother nature designed this system is anybody's guess but when you have tears in the back of the disc and this jelly will seep next to the pain nerves it aggrevates them and sets them off that's typically what starts the degenerative cascade or what causes these discs to start to go bad the discs can fail in a number of different ways you can tear through and through the disc.
And if you do that you can have a disc herniation and that's what this looks like you can see the tear through and through the disc where the jelly squirting out in back the reason why this is a problem is because what sitting in back here is the nerve route and you start to compress the nerve root and that causes leg pain and so a herniated disc not always but very many times will cause leg pain the disc can also degenerate other ways the disc back wall.
Can become very very loose and you can get a disc bulge not the best term in the world for this but essentially a failure of the back wall of the disc which can create further back pain and this disc can continue to become degenerative until it literally turns into an old piece of shoe leather and doesn't work well to take the shock or the stress when you jump up and down people with this kind of disc have chronic back pain they don't tend to like to do activities that load the spine.
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