November 13th, 2011 by ChristopherChangMD in Research
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Researchers in Iowa have discovered what makes a lion or tiger roar so effectively. Apparently, there is a layer of fat within large feline vocal cords that makes the vocal cords especially prone to vibrate easily with minimal exhalation effort.
What import does this have to humans?
Well, there are patients who have a very weak voice due to vocal cord atrophy as well as vocal cord paralysis. Standard interventions include voice therapy as well as surgical procedures using an implant or injectable material in order to “bulk” up the vocal cord.
In fact Read more »
*This blog post was originally published at Fauquier ENT Blog*
August 11th, 2011 by Linda Burke-Galloway, M.D. in Health Tips, News
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Could breastfeeding kill a newborn? That is the question a California district attorney will ask a jury at the trial of a breastfeeding mother. Most women do not intend to harm their children but substance abuse and addiction comes with a heavy price. Such was the case of Maggie Jean Wortman, who has been charged with second degree murder after medical tests revealed that her newborn son died from methamphetamine intoxication obtained through her breast milk. Wortman’s 19-month-old daughter also tested positive for methamphetamine and was placed in protective custody. How could this happen?
The transfer of drugs from the mother’s blood to human milk depends on the chemical composition of the drug. Antibiotics such as penicillin will remain in the mother’s blood for long periods of time whereas certain types of blood pressure and heart medications will remain in the milk. During the first three days after birth, higher concentrations of medicine remain in breast milk. Wortman’s attorney is attempting to argue that methamphetamine in breast milk could not kill a baby but here’s why he’s wrong: Read more »
*This blog post was originally published at Dr. Linda Burke-Galloway*
April 24th, 2011 by ChristopherChangMD in News, Research
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It’s about TIME!!! I read this fascinating story on NPR here.
An all-natural insect repellant called nootkatone found in Alaska yellow cedar trees and citrus fruits (like grapefruit) is being developed by the CDC. It is so safe for humans, it is even an FDA-approved food additive.
Nootkatone is not only safe for humans and the environment, it is a highly effective insect repellant. In fact, it is not only a bug repellant, but an insecticide causing death to biting insects like mosquitoes within 15 seconds.
Application of 2% nootkatone will also control ticks for up to 42 days at greater than 97 percent efficacy.
It is non-greasy, dries very quickly, and it has a very pleasant, citrus-y grapefruit odor to it.
Sounds too good to be true… But it is true! The only downside right now is that it is not available in the market, mainly because it is expensive — $4,000 per kilogram for highly purified food-grade material, which is used in parts-per-million amounts as a flavoring agent.
However, there are two companies that are currently working to make it available as insect control, hopefully in the near future!
Read more about this here.
References:
Susceptibility of four tick species, Amblyomma americanum, Dermacentor variabilis, Ixodes scapularis, and Rhipicephalus sanguineus (Acari: Ixodidae), to nootkatone from essential oil of grapefruit. J Med Entomol. 2011 Mar;48(2):322-6.
Mode of action for natural products isolated from essential oils of two trees is different from available mosquito adulticides. J Med Entomol. 2010 Nov;47(6):1123-6.
Ability of two natural products, nootkatone and carvacrol, to suppress Ixodes scapularis and Amblyomma americanum (Acari: Ixodidae) in a Lyme disease endemic area of New Jersey. J Econ Entomol. 2009 Dec;102(6):2316-24.
Use of novel compounds for pest control: insecticidal and acaricidal activity of essential oil components from heartwood of Alaska yellow cedar. J Med Entomol. 2005 May;42(3):352-8.
*This blog post was originally published at Fauquier ENT Blog*
March 21st, 2011 by admin in Health Tips, True Stories
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Figure 1
This post was contributed by guest blogger, Edward Ahn, M.D.
The head coach of a Division 1 champion women’s sports team brought her baby daughter in to me for evaluation of her flat head at the recommendation of her pediatrician.
While I was examining her baby, I started to say, “Well, I’ll tell you what she has –
She quickly interrupted, “Is it bad?”
I looked up to see fear written on this tough coach’s face. I was struck by how this benign condition can cause apprehension in so many parents.
Often, pediatric neurosurgeons like me or plastic surgeons are asked to assess babies with a flat head, also known as positional plagiocephaly. Usually, parents have developed a fair amount of anxiety, often with the underlying fear that their baby will need surgery or the brain will grow abnormally. These fears are not warranted. Read more »
January 12th, 2010 by Shadowfax in Better Health Network, True Stories
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Exaggeration, drama, and histrionics are very much the rule of thumb in the ER. Someone comes in and claims they were stabbed with an eight-inch butcher’s knife, and the police later bring in the actual weapon, and it turns out to be a three-inch penknife. Someone claims to have taken a whole bottle of tylenol, but their serum levels turn out to be nowhere near the toxic level (or even zero). A patient reports to you that their last pneumonia was so bad their doctor didn’t think they’d pull through, but you check the records and see they weren’t even in the ICU. (The sole exception to this rule, of course, is the stated alcohol intake, which is usually about half to a third the actual alcohol intake.) Read more »
*This blog post was originally published at Movin' Meat*
