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Saturday, June 13, 2009

Hearing Loss

Symptoms & Signs Index

Terms related to Hearing Loss:

  • Deafness
  • Loss of Hearing

Hearing loss can be present at birth (congenital) or become evident later in life (acquired deafness). The distinction between acquired and congenital deafness specifies only the time that the deafness appears. It does not specify whether the cause of the deafness is genetic (inherited).

Acquired deafness may or may not be genetic. For example, it may be a manifestation of a delayed-onset form of genetic deafness. Alternatively, acquired deafness may be due to damage to the ear from noise.

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Congenital deafness similarly may or may not be genetic. For example, it may be associated with a white forelock and be caused by a genetic disease called Waardenburg syndrome. In fact, more than half of congenital hearing loss is inherited. Alternatively, congenital deafness may be due to something such as the rubella virus to which the mother was exposed during pregnancy.

Main Articles on Hearing Loss
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Causes of Hearing Loss
Other Causes of Hearing Loss

Source : http://www.medicinenet.com/hearing_loss/symptoms.htm

Reviewed by Yohanita

Saturday, June 6, 2009

What Are the Effects of Smoking?

Smoking has severe effects on your diabetes and your health. Quitting smoking will give you more energy, better control of your diabetes, and less chance of a heart attack or stroke.

Blood sugar:

Smoking raises your blood glucose (sugar) and reduces your body's ability to use insulin, making it more difficult to control your diabetes.

Eyes:

Smoking can make vision problems worse and raise your risk of blindness.

Teeth:

Smoking raises your risk of getting gum disease and losing your teeth.

Nerves:

Smoking increases your risk of nerve damage, which can cause numbness, pain and problems with digestion.

Heart:

Smokers with diabetes are eleven times more likely to have a heart attack or stroke than people who don't have diabetes and don't smoke.

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Kidneys:

Smoking triples your risk of kidney disease. Drugs that help prevent kidney failure don't work as well for smokers.

Feet and legs:

Smoking can lead to serious foot and leg problems, like infections, ulcers, and poor blood flow, and raises your risk of amputation.

Cholesterol:

Many people with diabetes have high levels of cholesterol. Smoking makes this worse by increasing buildup on artery walls, putting you at more risk for heart attack or stroke.

Source: California Diabetes Program of the CDPH, UCSF, (caldiabetes.org)

Revewed by Yohanita T, MD

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Monday, March 9, 2009

Smoking and being overweight damaging to your hearing

People who smoke and people who are overweight are at higher risk of age-related hearing loss, according to a European study.

A study conducted by the University of Antwerp in Belgium found that people who had smoked regularly for more than one year had worse hearing than those who had never smoked. According to the study, the more you smoke (number of years multiplied by the number of packs per day) the greater the severity of hearing loss.
The study further found a direct correlation between peoples’ body weight and their hearing loss – the greater the Body Mass Index (BMI) among those tested, the greater their likely hearing loss.
Smoking and being overweight have the common effect of decreasing the flow of blood and oxygen to the ear. This damages your hearing and may cause hearing loss.
The study was the largest ever age-related hearing loss study and included 4,083 people 53-67 years of age from seven European countries. They were given clinical exams and hearing tests and completed questionnaires about medical history and exposure to environmental risk factors.
The scientists behind the study emphasized that smoking and body weight are just two of several important factors in hearing loss. Exposure to excessive noise is still the primary cause of hearing loss.

Source: RNID, June 2008 and CBC News, June 2008

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