정보 - 비만 과 조기 성숙기 ( 사춘기 ) 
 비 만과 조기 성숙기 ( 사춘기 ) 
 runfsceo 	 2017 . 09 . 06 10 : 49 	 조회 수 : 555 
 About 1 in 5 , 000 children experience early puberty . Studies suggest that , on average , kids are starting puberty earlier than they once did . Could the rise in obesity be playing a role ? Many experts think so , at least when it comes to girls . 
 " I think it ' s quite clear that some of the early puberty we ' re seeing is related to obesity , " says Paul Kaplowitz , MD , PhD , chief of the division of endocrinology at Children ' s National Medical Center in Washington , D . C . " It ' s not the whole story , but it ' s a factor . " 
 What ' s the association between obesity and precocious puberty ? How might it affect your child ? Here ' s what you need to know . 
 Obesity and Early Puberty : What ' s the Evidence ? 
 When puberty starts in girls younger than 8 or boys younger than 9 , it ' s considered early , or precocious puberty . In girls at least , research suggests a possible link between early puberty and obesity . 
 " A number of studies have shown that girls who are overweight are more likely to have puberty early , and that girls who are underweight -- and especially anorexic -- undergo puberty later , " says Kaplowitz . 
 What about boys ? So far , there ' s no evidence that obesity raises the odds of early puberty for them . " Boys who are obese actually tend to hit puberty later than average , " says Jami Josefson , MD , a pediatric endocrinologist at Children ' s Memorial Hospital in Chicago . 
 Studies show that the average age of puberty may be dropping over the years . The age at which a girl first gets her period seems to have stayed roughly the same for decades . But breast development -- usually the first sign of puberty in girls -- might be starting a year or so earlier than it once did . 
 How Might Obesity Affect Early Puberty ? 
 One possible explanation for the association between obesity and early puberty has to do with the hormone leptin , says Kaplowitz . 
 Our fat cells make leptin . The more fat we have , the more leptin in our systems . Leptin seems to play a key role in regulating appetite , body type , and reproduction . 
 Leptin doesn ' t trigger puberty on its own . But there ' s evidence that for puberty to start , a child has to have enough leptin in her system , Kaplowitz says . Girls who have high leptin levels -- because they are overweight -- could be more prone to early puberty . 
 Biological changes in young babies could have a lasting effect , too . Studies have indicated that rapid weight gain during infancy might be related to later obesity and a higher risk of early puberty . 
 There ' s another very different link . Obesity can cause some kids who don ' t actually have early puberty to get diagnosed with it anyway . Why ? Sometimes , pediatricians mistake fat for breast development in girls . 
 Researchers note that the earlier age of puberty seems to go along with the rise of obesity in the U . S . In 1965 , about 5 % of kids ages 6 - 11 were obese . In 2008 , it was almost 20 %. 
 However , while they might be linked , we can ' t say that obesity is necessary causing early puberty . Obesity is not the only factor . Kaplowitz points out that even in countries where childhood obesity is less common , puberty seems to be starting earlier . 
 A 2009 Danish study found that over the course of 15 years , the average age at which girls showed breast development dropped a whole year -- from nearly 11 years old to just under 10 years old . Rates of obesity are much lower in Denmark than in the U . S . 
 So if obesity isn ' t the sole cause , what else might be making puberty start earlier ? Experts just don ' t know . 
 " That ' s not uncommon , " Josefson tells WebMD . " It can be hard even for specialists like pediatric endocrinologists to distinguish between fat and breast tissue . " Girls who are overweight might be at a higher risk of getting stuck with a wrong diagnosis . 
 What does the link between obesity and early puberty mean for your kids ? Could preventing obesity lower the odds that your child will develop early puberty ? 
 That ' s theoretically possible , but experts aren ' t sure . Certainly , helping your kids keep a healthy weight is a good idea , since it has many health benefits . To help prevent excess weight gain in your child , you could : 
 Pay attention to the calories in your child ' s diet -- but without restricting food excessively . 
 Model healthy eating and exercise habits for your children . 
 Work closely with your child ' s pediatrician . 
 What if your child has already started early puberty ? In that case , weight loss may still be a good idea if your child is overweight , but it won ' t stop the process . " There ' s no evidence that losing weight will have any effect on a child who already has precocious puberty , " says Kaplowitz . 
 Some parents feel guilty when their kids develop early puberty . They think they should have been able to stop it . That ' s not the case . Experts still don ' t know why some children start puberty early . There are so many factors that seem related -- not just weight , but genetics , gender , race , and maybe even environmental exposure to chemicals . 
 For now , work closely with your pediatrician and a pediatric endocrinologist . While it might be worrying to you , early puberty is a very treatable condition . 
 " Most kids with precocious puberty really do fine , " says Josefson . " The parents are often the ones getting more worked up about it . " 
 조기 성숙 
 비 만 은 조기성 숙과 관련 이 있 는가 ? 
 여자 아이 의 경우 비만 이 조기 성숙 에 영향 을 미치 는 하나 의 요인 이 될 수 있 다 . 남자 아이 의 경우 비만 이 오히려 평균 보다 늦 은 성숙 을 가져오 는 경향 이 있 다 . 
 2017 . 09 . 06 17 : 12 
 우리 의 지방 세포 는 렙 틴 을 생성 한다 . 지방 이 많 을 수록 렙 틴 의 양 은 많 아 진다 . 렙 틴 은 식욕 , 체형 , 번식 을 제한 하 는 중요 한 역할 을 한다 . 하지만 렙 틴 그 자체 가 성숙 을 유발 하 지 는 않 는다 . 
 성숙 이 시작 되 면 신체 는 충분 한 렙 틴 을 가지 고 있 어야 한다 . 
 과체중 으로 렙 틴 의 레벨 이 높 은 아이 의 경우 조기 성숙 할 경향 이 더 높 다 . 
 2017 . 09 . 06 17 : 15 
 조기 성숙 이 시작 된 경우 체중 감량 을 하 더라도 조기 성숙 을 멈출 순 없 다 . 
 조기 성숙 은 체중 뿐 만 아니 라 유전자 , 인종 , 환경 , 화학 성분 에 노출 되 는 환경 등 많 은 요소 와 관련 이 있 으며 연구 결과 비만 이 여자 아이 의 조기 성숙 에 큰 영향 을 미칠 수 있 다는 것 이 다 . 
 2017 . 09 . 06 17 : 24 
 조기 성숙 을 가진 대다수 의 어린이 들 은 잘 지낸다 . 
 마른 아이 의 경우 성숙 이 늦 게 시작 되 는 경향 이 있 다 . 
 2017 . 09 . 06 17 : 43 
 조 숙증 의 문제 는 조 숙증 을 가진 아이 들 의 정신 건강 에 많 은 영향 을 미칠 수 있 다는 것 이 다 . 우울증 , 성 적 인 행동 등 
 2017 . 09 . 06 17 : 50 
 키 성장 감소 , 평생 동안 의 건강 문제 등 
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