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Doctor insights on: Does Elevated Mercury Levels Cause Developmental Delay In Child

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During what blood levels does lead start to cause cognitive impairment in adults?

During what blood levels does lead start to cause cognitive impairment in adults?

A-hi10ug/dl,C-5ug/dl: Elevated lead in the body can be detected by the presence of changes in blood cells visible with a microscope and dense lines in the bones of children on X-ray, main tool for dx. is the blood lead level. When blood lead levels are recorded, the results indicate lead is circulating within the blood stream, not the amt. being stored in the body.[2] Elevated lead in the body can be detected by the presence of changes in blood cells visible with a microscope and dense lines in the bones of children seen on X-ray, but the main tool for diagnosis is measurement of the blood lead level. When blood lead levels are recorded, the results indicate how much lead is circulating within the blood stream, not the amount being stored in the body.[2] There are two units for reporting blood lead level, either micrograms per deciliter (µg/dl), or micrograms per 100 grams (µg/100 g) of whole blood, which are numerically equivalent. The Centers for Disease Control (US) has set the standard elevated blood lead level for adults to be 10 (µg/dl) of the whole blood. For children the number is set much lower at 5 (µg/dl) of blood as of 2012[3] down from a previous 10 (µg/dl).[4] Children are especially prone to the health effects of lead and, as a result, blood lead levels must be set lower and closely monitored if contamination is possible.[2] The major treatments are removal of the source of lead and chelation therapy (administration of agents that bind lead so it can be excreted). ...Read more

Dr. Mark Pack
38 doctors shared insights

Missed Developmental Milestones (Definition)

We expect babies and children to be able to do certain things by certain ages. We know not every child is the same, and also have to take into account things like prematurity. For instance, most babies are pulling up on furniture and attempting to take a first step around their first birthday. If they get to 15-16 months and aren't doing it, we say that's a delayed ...Read more


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Age 21, IQ level below 70, in medical test result is iq level 67% and mild mental retardation. please suggest the further treatment for increase IQ LA?

Age 21, IQ level below 70, in medical test result is iq level 67% and mild mental retardation. please suggest the further treatment for increase IQ LA?

Not available: IQ tests were developed initially to predict schooling success in individual students. It is a measuring tool like a yard stick. There is no treatment to change an IQ just like there is no way to change an adults height. You are what you are by this measurement. It does not measure many talents that can lead to success in arts or entertainment. It does not say you should not try. ...Read more

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What can low potassium during pregnancy cause? Does it cause developmental issues to the baby? I'm 37w4d today.

What can low potassium during pregnancy cause?  Does it cause developmental issues to the baby? I'm 37w4d today.

Low potassium: Low potassium will not create any developmental problems with the fetus at 37+ weeks, but can cause muscular cramping issues for you as the mother. Bananas are a great source for potassium, naturally. ...Read more

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Do low or high blood serotonin level in children affect their bone growth ? To what extent it's effect?

Do low or high blood serotonin level in children affect their bone growth ? To what extent it's effect?

Under investigation: I've heard little since 2011 but it's true that hi levels played a role in suppressing bone growth. There was a NYTimes piece: http://www.nytimes.com/2008/11/27/health/research/27bone.html and http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2940494/ Other systems ae involved too. It's not candy! ...Read more

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Why is elevated B12 serum found in autistic children?

Why is elevated B12 serum found in autistic children?

Not always seen: More often i will see low or normal levels of B12 unless there is supplementation. This vitamin has a fairly complicated absorption process and is not efficient in some. If there is gut inflammation or infection or if there is an autoimmune process oral intake is not effective and you have to move to sublingual or injections. B12 works closely with folate (folic acid) and b6 and very often all need to be used. ...Read more

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Does isoimmunization and anemia cause slow social development?

Generally no.: Isoimmunization is an immune-mediated process that is caused by mother antibodies crossing the placenta and targeting the babies red blood cells (this is also called rh disease). The resulting fetal anemia can be mild to severe. Whether normal growth and development are compromised is dependent upon the severity and length of the anemia and any associated cognitive dysfunction which may occur. ...Read more

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Our six-month old son has high calcium and high phosphorus levels but normal pth? The pediatrician can't explain. Any ideas?

Our six-month old son has high calcium and high phosphorus levels but normal pth? The pediatrician can't explain. Any ideas?

Look further: How high? Phos is often high in babies because blood can hemolyze if squeezed out. Ionized calcium? Albumin? Vitamin d panel? Alk phos? Repeat labs including the above. Any significant calcium or phosphorus in urine? Kidney function? May need a pediatric endocrinologist. ...Read more

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Is there any study that linked high levels of testosterone to a low i.Q. Or lower intelligence?

Is there any study that linked high levels of testosterone to a low i.Q. Or lower intelligence?

Correlations with IQ: If you look hard enough, you can probably find a study that will show a correlation between anything. That proves nothing. The normal range of t in men is approx 300-1000 (depending on the assay). Among normal men (i.e. No extra chromosomes, not autistic, etc), there is no relationship between t and iq. ...Read more

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My boyfriend has an elevated liver enzyme count related to alcohol. His levels were at about 120 for both. What level does cirrhosis occur.

My boyfriend has an elevated liver enzyme count related to alcohol. His levels were at about 120 for both.  What level does cirrhosis occur.

Forgive me : Ket me be frank. Your boyfriend is drinking heavily enough to put his health at grave danger. His liver may or may not go bad and it takes a long time. But other aspects of his life will go bad from alcohol. I guarantee it. If he cares about you, he will stop now. If he continues, recognize he is not the right guy for you. Be brave and best wishes. ...Read more

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High levels of immunoglobulin, does it indicate an illness?

High levels of immunoglobulin, does it indicate an illness?

Not usually: Serum immunoglobulins are subdivided into iga, igm, igg, IgD and ige. Ige is the allergic antibody and high levels of this can be seen in allergic conditions and rarely in immune deficiency. High levels of iga, igm, igg are generally thought of as being good as these antibodies protect us from infections. In some rheumatic conditions, immunogloublins can be elevated as a response to inflammation. ...Read more

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FSH is 28 and LH 10.2 due to chemo damage to testicles. T levels are normal, but could the elevated FSH/LH levels predispose me to Gynomastia?

FSH is 28 and LH 10.2 due to chemo damage to testicles.  T levels are normal, but could the elevated FSH/LH levels predispose me to Gynomastia?

Unlikely: Unlikely with normal T. Gynecomastia triggered by a decrease in the amount of the hormone testosterone compared with estrogen. Most cases of gynecomastia either idiopathic or related to medications. Elevated FSH: implies damage to the sperm producing cells which make up most of the volume of the testis. Elevated LH: implies damage to the Leydig cells in the testis which produce testosterone. ...Read more

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Many studies say that HGH upregulates IGF-1. Intermittent fasting (8hour feeding window) boosts GH-levels. Why than is IF associated with LOWER IGF-1?

Many studies say that HGH upregulates IGF-1. Intermittent fasting (8hour feeding window) boosts GH-levels. Why than is IF associated with LOWER IGF-1?

Not so simple: The regulation of IGF1 is more complex than just GH levels. Diet/weight loss and inadequate nutrition is well known to lower IGF1. GH levels spike in the AM, but with age GH levels are low, and there is not much you can do to elevate them. Exercise, stress reduction, weight maintenance are all good, but not necessarily related to GH. ...Read more

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Study(www.Ncbi.Nlm.Nih.Gov/pubmed/12659241) says abstinence causes spike in t levels by 145%. Could these spikes cause early closure of growth plates?

Study(www.Ncbi.Nlm.Nih.Gov/pubmed/12659241) says abstinence causes spike in t levels by 145%. Could these spikes cause early closure of growth plates?

Not likely: This was a small study looking at variations in testosterone levels after ejaculation. The clinical significance of these findings is unknown, and not likely to be meaningful for otherwise healthy males. Testosterone effects occur over many weeks and months, and are not affected by small or short term fluctuations in levels. ...Read more

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What number of 6 oz servings of swordfish would a mother have to eat to have high enough blood levels of mercury to cause developmental problems?

What number of 6 oz servings of swordfish would a mother have to eat to have high enough blood levels of mercury to cause developmental problems?

Nobody knows: Nobody has been able to demonstrate an effect of mercury in ordinary fish-eating even in countries where a lot is consumed (the Faroes, the Seychelles, Australia). The EPA advice against all women and children eating any swordfish is political -- and no surprise from an agency that once declared sandbox sand a cause of cancer. I find no realistic basis for fear. ...Read more

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In light of recent scientific findings of high folic acid levels possibly linked to autism, please explain what are 'high levels?"

In light of recent scientific findings of high folic acid levels possibly linked to autism, please explain what are 'high levels?"

Newer observational: data: per Johns Hopkins University, Baltimore, MD, maternal plasma folate (folic acid) (vitamin B9) concentrations >59 nmol/L & vitamin B12 concentrations >600 pmol/L, respectively, the incidence of autism ?es more than 17-fold. See: http://www.medscape.com/viewarticle/863216 for a publicly available summary from an analysis presented at the International Meeting for Autism Research (IMFAR) 2016. ...Read more

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Does pregnancy affect the thyroid and vice versa? Will high levels cause the fetus any distress?

Does pregnancy affect the thyroid and vice versa? Will high levels cause the fetus any distress?

Yes and yes.: The thyroid gland increases in size and function during pregnancy. Hyperthyroidism, if not controlled can be serious for mother and fetus. The mother may experience palpitations, pre-eclampsia, pre-term labor, thyroid storm and placental abruption (separation of the placenta from the uterine wall). The fetus can be growth restricted, miscarried, still-born and have thyroid dysfunction. ...Read more

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Why does incest lead to mental problems in children?

Why does incest lead to mental problems in children?

Trust: The pivotal pillar of healthy emotional growth is the ability to form trust relationships.The prime example is the mother/child bond which in healthy relationships survives past the mothers death.Secondary trust relationships extend to dad & primary caregivers or siblings. When a cultures taboos are violated by those within the trust circle, it is unlikely that trust can ever be reclaimed. ...Read more

Dr. Jeb Teichman
10 doctors shared insights

Elevated Mercury Levels (Definition)

Elevated mercury level in a person is a condition in which a blood test result shows a high enough level to cause health concerns, or an even higher level, which could cause symptoms of mercury poisoning. Mercury is a naturally occurring element that has be added to our environment and our food ...Read more


Dr. Cindy Juster
101 doctors shared insights

Developmental Delay (Definition)

As children move along in age, they should also do so in developmental stages of motor, languag, and personal social areas. When these areas lag expectations, it is ...Read more