Flu :: Most flu shot plans do not address how to vaccinate hard-to-reach populations

Most flu immunization plans in the United States do not address how to vaccinate hard-to-reach populations — undocumented immigrants, substance users, the homeless, homebound elderly, and minorities — and this potentially dangerous omission can lead masses of people to become ill during an outbreak of pandemic flu or other contagious disease, according to a new study by the New York Academy of Medicine in the current issue of the Journal of Urban Health.

Hypertension :: Understanding hypertension in African Americans proves elusive

Exercise cannot reduce a sodium-retaining hormone in African Americans known to potentially cause hypertension, found Michael D. Brown, Ph.D., the senior author of a study in the September issue of Experimental Physiology. Brown is an associate professor of kinesiology at Temple University?s College of Health Professions.

Brain :: Brain imaging reveals breakdown of normal emotional processing

Brain imaging has revealed a breakdown in normal patterns of emotional processing that impairs the ability of people with clinical depression to suppress negative emotional states. Efforts by depressed patients to suppress their feelings when viewing emotionally negative images enhanced activity in several brain areas, including the amygdala, known to play a role in generating emotion, according to a report in the Aug. 15 issue of the Journal of Neuroscience.

HIV :: AIDS interferes with stem cells in the brain

A prominent problem in AIDS is a form of dementia that robs one?s ability to concentrate and perform normal movements. Scientists at the Burnham Institute for Medical Research (Burnham) have discovered how HIV/AIDS disrupts the normal replication of stem cells in the adult brain, preventing new nerve cells from forming.

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