Health

Autism – Researchers find a link with abnormal Blood-Vessel Damage and Oxidative Stress

Autism – Researchers find a link with abnormal Blood-Vessel Damage and Oxidative Stress

Researchers from the University of Pennsylvania School of Medicine have found children with autism have differences with abnormal blood-vessel function and damaging levels of oxidative stress compared with healthy children. Lead author, Domenico Pratico, MD, Associate Professor of Pharmacology along with colleagues, first published their findings in the August issue of the Archives of Neurology.

The children with autism presented with certain levels of biochemical differences that suggest the incidence of constricted blood vessels by way of the endothelium. These differences in the cells that line the blood vessels create a higher chance for the formation of clots.

Alzheimer’s disease – Painless Skin Test for Early Detection

Alzheimer’s disease – Painless Skin Test for Early Detection

Scientists from the Blanchette Rockefeller Neurosciences Institute (BRNI) have found a substance in skin cells that could help diagnose whether or not a person is developing early stages of Alzheimer’s disease. The skin test could be completed at a doctor’s office by a nurse or in an outpatient clinic. The researchers first published their report in the August 14th online issue of the Proceedings of the National Academy of Sciences (PNAS).

The BRNI biomarker found in the skin sample can accurately determine if a person has Alzheimer’s disease or another form of dementia during the first one to two years of the early progression of the disease.

No Link Between Pregnant Women with Anxiety and Complications During Pregnancy - Anxiety Disorder

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Researchers at the University of Texas say that women who experience anxiety symptoms during pregnancy are not more susceptible to having pregnancy complications such as longer labor or low birth weight babies. Previous research showed mixed results, but this study answers the question more definitively.

Heather Littleton said “Pregnancy can be an emotional time for women and, for some, anxiety associated with the pregnancy can be compounded by pre-existing difficulties such as having an inadequate social support system.” Heather is lead author of the study.

Alzheimer’s Disease Treatment May Involve Molecular Janitors

Alzheimer’s Disease Treatment May Involve Molecular Janitors

Researchers at the Salk Institute in California say they have found molecular janitors that help clean away beta-amyloid from the brain. This research helps explain why Alzheimer’s develops as we age. Many scientists believe that beta-amyloid is the primary culprit in Alzheimer’s disease.

Most of the drugs on the market for Alzheimer’s disease only treat or alleviate the symptoms. There is no cure. This new research may lead to a much better treatment because they can attack the cause of Alzheimer’s disease. "It's a whole new way of thinking in the Alzheimer's field," said Dr. Andrew Dillin, a biologist at California's Salk Institute for Biological Studies who led the new research.

Just One Meal High in Saturated Fats Clogs Arteries – Polyunsaturated Fats Help

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Researchers in Australia say that just one meal high in saturated fat may affect the body’s ability to protect itself against artery-clogging plaques. On the other hand, by eating a meal high in polyunsaturated fats can increase the anti-inflammatory properties of HDL, helping to protect the inner lining of the arteries (endothelium).

Dr. Stephen J. Nicholls says “The take-home, public-health message is this: It's further evidence to support the need to aggressively reduce the amount of saturated fat consumed in the diet. This study helps to explain the mechanisms by which saturated fat supports the formation of plaques in the arterial wall, and we know these plaques are the major cause of heart attack and stroke." Nicholls is one of the researchers and now a cardiologist at Cleveland Clinic in Ohio.

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