are twins more prone to depression?
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With fraternal pairs, the twin of a depressed person experiences depression only 19% of the time. Research studies examining twins raised in different homes have further strengthened the evidence for a genetic link (and not just social-learning) to depression.
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Low birth weight Because they have to share nutrients and living space, newborn twins tend to be smaller than single babies. Even full-term twins often weigh less than 5-1/2 pounds each, making them vulnerable to a variety of health problems.
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Dr. Frazier's team did too. If one identical twin has autism spectrum disorder (ASD), the other twin has a 76 percent chance of also being diagnosed with it. The numbers are lower for fraternal twins.
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The prospect of raising twins can seem like a daunting task, two mouths to feed, two bottoms to diaper, twice the crying, and, down the road, two sets of college tuition at the same time. While having two babies does mean a few difficult moments, it can also be the most fulfilling challenge you'll ever experience.
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It's often said that depression results from a chemical imbalance, but that figure of speech doesn't capture how complex the disease is. Research suggests that depression doesn't spring from simply having too much or too little of certain brain chemicals.
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Mirror image: Identical twins are believed to be genetically identical, but one twin can have mutations not shared by the other. Identical twins can be genetically different, which could explain why they do not always share disorders such as schizophrenia or autism, according to a study published in March in PLoS One.
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Can Untreated ADHD Cause Depression? Having ADHD puts you at four times the risk of depression. The risk is even greater for hyperactive/impulsive types, who are also at a higher risk of suicide. The nature of ADHD itself, especially if untreated, can sometimes cause depression.
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A review of 11 studies involving 15,315 people found an association between low folic acid levels and depression, adding to the evidence that folic acid deficiency is a risk factor for depression. Researchers have also focused on people who are being treated for depression.
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Because with the division of DNA, each identical twin may be offered with different genes that can influence a lot of physical features. So, it is not something to worry about if you have twins who look the same but have different skin colors or hair quality, or eye color or anything like that, it is quite normal.
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Despite having the same genetic makeup, identical twins have their own distinctive personalities. Just how their individuality emerges has remained a bit of a mystery. But now, researchers have found that life experiences affect brain development — and this may help us understand how personalities form.
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Twins are seen as a sign of good luck to the family they are born into. They aren't seen as ordinary. The first to be born is known to be the junior while the last to be born is known to be the older one.
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And while most women pregnant with twins or more will experience the same pregnancy symptoms as those pregnant with a singleton, they do often experience heightened pregnancy symptoms - severe nausea, extreme fatigue and fast weight gain - that may indicate that there are twins in their future.
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A twin pregnancy is a double blessing, but it can also carry greater risks than singleton pregnancies. In the U.S, about three in every 100 pregnant women give birth to twins or triplets, according to the Mayo Clinic in Rochester, Minn.
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And she has a story as her proof that shared pain is a twin myth. ... There are twins who say they have felt each other's pain. And their close relationship and nearly-identical physical structure means there could be a sliver of truth in the theory — as pain can be psychological and can be felt empathetically.
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Individual athletes more prone to depression, researchers find. Athletes in individual sports are more prone to depression than those in team games, according to German research to be presented at a conference in Cardiff.
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If two twins in an identical pair tend to have closer IQ's than two twins in a fraternal pair, then genes probably play a role in IQ. And that is just what we see. Identical twins are definitely more likely to share the same IQ than are fraternal twins. So genes do play a role in IQ.
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There is a saying about twins: "Twice as sick, three times as tired, and four times the weight gain." But this is, in many ways, an old wives' tale. Statistically, moms of multiples may experience more morning sickness.