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why is cystic fibrosis more common in caucasians

A 41-year-old member asked:
Dr. Derrick Lonsdale
72 years experience Preventive Medicine
Cough + sputum: If above applies, kiss him/her on the skin. If you taste salt it might be cf. A simple sweat test will rule it in or out.
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A 48-year-old member asked:
Dr. William Walsh
16 years experience Addiction Medicine
Birth to teen years: The most common variant of CF is detected at birth or would appear shortly thereafter anyway. Most cases are caught by the teen years, but rarer form ... Read More
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A 51-year-old member asked:
Dr. James Ferguson
45 years experience Pediatrics
not true: Cystic fibrosis is a metabolic disorder more common in caucasions by present in many populations.The incidence is 1/3500 caucasion, 1/17, 000 african ... Read More
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A 42-year-old member asked:
Dr. Robert Fink
46 years experience Pediatrics
Uncommon: False positive sweat tests to diagnose CF are very uncommon. Genetic testing should never have false positive results. However, newborn screening for ... Read More
A 55-year-old member asked:
Dr. James Ferguson
45 years experience Pediatrics
Gene defect: Parents of one CF patient have an equal (25%)chance of producing another with every conception. Although there is a possibility that an unaffected chi ... Read More
A 40-year-old member asked:
Dr. James Ferguson
45 years experience Pediatrics
Recessive gene: A mutation is carried in the dna of both unaffected parents & that matching or similar mutation is paired up at conception when the sperm & egg form c ... Read More
A 37-year-old member asked:
Dr. Oscar Novick
57 years experience Pediatrics
Cancers: A very interesting question. Childhood cancers are different than cancers occurring in adulthood. Childhood cancers occur in developing or maturing or ... Read More
A 53-year-old member asked:
Dr. William Singer
50 years experience Pediatric Neurology
Unknown: It is not known why Asperger's disorder is more common in males. I have several female patients with Asperger's disorder
A 49-year-old member asked:
Dr. Robert Uyeda
44 years experience General Surgery
Not known for sure: But it is probably because of more advanced staging at diagnosis. Most people don't think of men getting breast cancer, so there is less self examina ... Read More
A 45-year-old member asked:
Dr. David Escobar
8 years experience Family Medicine
Old Days: Back in the "old days, " patients with CF would frequently die, and the autopsy findings of the lungs showed scarring ("fibrosis") and bubbles ("cysts ... Read More
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A 44-year-old member asked:
Dr. Norman Chideckel
41 years experience Vascular Surgery
Yes: Slightly more common in african americans.
A 40-year-old member asked:
Dr. Bennett Machanic
51 years experience Neurology
Genetics: The autosomal dominant pattern is more frequent in certain groups of patients and similar group patterns exist around the world for different genetic ... Read More
A 43-year-old member asked:
Dr. Shelby Terstriep
19 years experience Internal Medicine
Hormones: It is more common primarily because women have more estrogen and progesterone.
A 33-year-old member asked:
Dr. Jesse Mills
19 years experience Urology
Yes: Bladder cancer is an environmental cancer. Toxins, most commonly cigarette smoking, build up in the bladder causing genetic changes that lead to canc ... Read More
A 37-year-old female asked:
Dr. Ashu Syal
Dr. Ashu Syal answered
29 years experience Pediatric Nephrology and Dialysis
Complication: Late respiratory complications of CF range from respiratory distress with declining oxygen saturation to pneumothorax.
A 39-year-old member asked:
Dr. Ed Friedlander
43 years experience Pathology
X-linked recessive: Ordinary men and Turner women have only one X-chromosome. Ordinary women and Klinefelter men have two X-chromosomes. A person needs one normal X-chrom ... Read More
A 51-year-old member asked:
Dr. Yash Khanna
56 years experience Family Medicine
Sexual Difference: Part of the reason is genetic differences between men and women Women typically display greater levels of some antigens in triggering auto immunity
A 48-year-old member asked:
Dr. Ronald Krauser
51 years experience Rheumatology
We don't know: The truth is we really do not know why. Hormonal differences and other suggestions have been offered as explanations but none have been proven.
A 27-year-old male asked:
Dr. Andrew Seibert
34 years experience Gastroenterology
Generally, yes.: at least 50% of patients with IBS reported having had their first symptoms prior to age 35. The prevalence is 25% lower in patients who were 50 years ... Read More
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A 55-year-old member asked:
Dr. James Ferguson
45 years experience Pediatrics
Recessive genes: A mutation is carried in the dna of both unaffected parents & that matching or similar mutation is paired up at conception when the sperm & egg form c ... Read More
A 35-year-old female asked:
Dr. Jeff Livingston
21 years experience Obstetrics and Gynecology
Elderly: Vaginal cancer is found in elderly women. It would be very rare to find it in a young person so predicting the growth rate in a young woman would not ... Read More
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A 22-year-old male asked:
Dr. Ramesh Kadewari
36 years experience Pediatrics
Yes and No: Yes, all babies are screened for Cystic Fibrosis in the Newborn screening. No, Cystic Fibrosis cannot be diagnosed with a Chest X- Ray
A 52-year-old member asked:
Dr. Howard Kirschner
8 years experience Dentistry
No: I do not know of anty study to prove that. The condition is a matter of heredity and genes as far as I am aware.
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90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

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