Sound Medicine -- January 5, 2002

This week IU doctors discuss:
Marathon man Jerry Dunn
Eye diagnosis as a window to health
Macular degeneration
Baby new year screening
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Marathon Man Jerry Dunn

Jerry Dunn ran 200 marathons in the year 2000, when he was 55-years old. That's more than five thousand miles. He describes himself as an average jogger that lopes along at 11 minutes a mile. If you've ever run the 500 Festival Mini Marathon in Indianapolis, you've no doubt noticed him. He's the guy in the jester costume. Dunn talks with Barbara Lewis about staying fit and dedicated to good health in 2002.

Resources
Training courses for the Mini Marathon start this winter at the
National Institute for Fitness and Sport (NIFS).
St. Francis Hospital in Beech Grove, Indiana, holds an annual sign up event for the Mini Marathon. This year it's on January 11th.
Get a full list of training programs from the 500 festival Web site.


Eye diagnosis as a window to health

When you're running a fever, we can tell by your glassy eyes. Red eyes tell us you're tired or suffering from allergies. If laymen can diagnose illness this way, it's no surprise that doctors use eye examinations as clues to illnesses, too.

Co-hosts Barbara Lewis and Dr. David Crabb meet with Doctor Robert Yee, professor and chairman of the department of Ophthamology at the Indiana University School of Medicine. Yee explains how opthalmologists can trace strokes, dementia, palsy, head injuries, among other illnesses, using eye exams.

Resources
Read about eye exams for detecting early Alzheimer disease in the Harvard Mahoney Neuroscience Institute Letter.
The Department of Ophthalmology at the IU School of Medicine has other informative articles for patients and a good list of eye-related Internet resources.

Macular Degeneration

The most common form of vision loss, macular degeneration happens gradually as we age, taking the central vision first and finally leaving sufferers unable to drive or read. Researchers like Dr. Tom Ciulla with the IU School of Medicine are looking at new ways to treat both wet and dry macular degeneration.

Dr. Ciulla talks with us about some of these new treatments, including anti-VEGF injections, steriod implants, and a procedure called PDT all for wet macular degeneration. He also discusses a new study that shows people can reduce their risk of advanced macular degeneration (dry type) by taking a daily combination of vitamins: C, E, beta-carotene, zinc and copper. Ciulla is professor of ophthalmology and co-director of the retina vitreous service at the IUSM.

Resources
The IUSM Department of Ophthalmology is looking for participants for two macular degeneration clinical trials underway at IUSM. The two trials are for different forms of anti-angiogenesis therapies known as anti-VEGF.
Read more about the NIH study at the National Eye Institute.
For more information about this and other eye conditions, visit the National Eye Institute.

Baby new year screening

Sure newborns get close inspection from new parents and their family and friends. But the medical staff in Indiana maternity wards is also doing the equivalent of counting fingers and toes. They screen neonates for abnormalities that are much less obvious at birth. We hear about some of these tests from Dr. Erica Eugster, a pediatric endocrinologist and clinical assistant professor of pediatrics at the IU School of Medicine.

Resources
Find more about newborn screening at the About Newborn Screening Web site. Read news articles and see how states compare.
Another good source is Newborn Screening.com, an advocacy site for newborn screening. It collects current news and opinion on newborn screening and related sciences.
We're pleased to thank our founding sponsors: IU Medical Group, Clarian Health and Wishard Health Services.

Upcoming topic: the "Tooth Fairy" project. Send us your questions for researcher Dr. Jay Gould about this fascinating study that measures the levels of strontium-90 in baby teeth.

Call (317) 274-IU4U, or email us at soundmed@iu.edu.

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This week's Medical Mystery — exercising but not losing weight?

Getting into shape is surely in the top five for new year's resolutions. After a few weeks on the weight machines, people step onto the scale expecting lower numbers. But they may be dismayed to see no weight lost -- and that they've even gained a few pounds. Why, if they're getting stronger and leaner, aren't the pounds dropping like flies?

Find out.


This week's Health Quiz —
Symptoms of Bulimia

Eating disorders typically affect young women as they try to force their bodies into unrealistic shapes and sizes. Anorexics generally refrain from eating much at all, whereas bulimics will eat and then secretly purge themselves. Which of the following symptoms may indicate someone is bulimic:

a. scars on their fingers,
b. tooth decay and enamel erosion,
c. swollen legs,
d. skipped menstrual cycles, or
e. all of the above


Weekly Notebook: Fending off symptoms of advanced macular degeneration

The National Institutes of Health's National Eye Institute conducted a large study that concluded people at high risk of advanced macular degeneration could lower their risks by 25% with the following daily combination of antioxidants and zinc:
• 500 milligrams Vitamin C
• 400 international units Vitamin E
• 80 milligrams zinc (zinc oxide)
• 15 milligrams beta carotene
• 2 milligrams copper (cupric oxide)

Source: Learn more about the study at the National Eye Institute's Web site.


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