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Early exposure to iron and later exposure to herbicide paraquat may accelerate age-related neurodegeneration

Exposure to iron during the first weeks of life in combination with exposure later in life to a common herbicide may contribute to the subsequent degeneration of brain cells associated with the onset of Parkinson's disease (PD), according to a new study in mice.

28 Jun 2007

Role of environmental factors in the development of Parkinson's disease

Scientists at the Buck Institute for Age Research have shown that combining two environmental toxic substances accelerated age-related degeneration in neurons associated with Parkinson's disease (PD) in mice.

27 Jun 2007

Sweden's early baby boom provides lessons for US

Sweden, like much of Scandinavia, is known for its high quality care for older adults. Most importantly, the system helps to keep older adults independent.

27 Jun 2007

Absence of a gene called CD38 is a protective barrier to obesity

A search for the molecular clues of longevity has taken Mayo Clinic researchers down another path that could explain why some people who consume excessive calories don't gain weight.

27 Jun 2007

Emotional state plays a significant role in recovery from hip surgery

A patient's emotional state plays a significant role in his or her recovery from hip surgery, suggests Saint Louis University research published this month.

27 Jun 2007

Estrogen injections protect brain cells from age-related deterioration

The study suggests that age is a factor in estrogen treatment and sheds light on the intricate relationship between mind, age, and hormones. The study will be published in the online edition of Proceedings of the National Academy of Sciences during the week of June 25.

26 Jun 2007

Stem cells enhance hearing recovery

Researchers have shown that bone marrow stem cells injected into a damaged inner ear can speed hearing recovery after partial hearing loss.

26 Jun 2007

Research into Alzheimer’s disease and dementia wins Queen’s doctor major award

A prestigious scholarship award made for the first time ever outside the United States has been won by a Queen's University medical graduate.

26 Jun 2007

New drug target for the treatment of Parkinson's disease

Researchers at the MassGeneral Institute for Neurodegenerative Disease (MGH-MIND) have identified a potential new drug target for the treatment of Parkinson's disease and possibly for other degenerative neurological disorders.

23 Jun 2007

FDA clears computerized medication box

The U.S. Food and Drug Administration has cleared for marketing the INRange Systems' Electronic Medication Management Assistant (EMMA), a programmable device that stores and dispenses prescription medication for patients' use in the home.

23 Jun 2007

DNA repair proteins monitored at double-strand break

St. Jude investigators recently had a molecule's eye view of the human cell's DNA repair kit as it assembled on a double-strand break to link together the broken ends.

23 Jun 2007

Strong work ethic and sense of place delays elderly heart patients from seeking care

A strong work ethic and sense of place appear to influence how elderly rural Albertans with congestive heart failure manage their illness, in that these values may delay them from seeking help at critical times, a University of Alberta study shows.

23 Jun 2007

Expert warning to Australian overweight forum

Professor Philip James, Chairman of the International Obesity Taskforce,was the keynote speaker at the Healthy Lifestyle Forum to Help Combat Childhood Obesity held in Parliament House, Canberra.

23 Jun 2007

CBO Director discusses health care spending growth

Congressional Budget Office Director Peter Orszag on Thursday at a hearing of the Senate Budget Committee said that federal spending on Medicare and Medicaid would increase from about 4.5% to about 20% of U.S. gross domestic product by 2050, CongressDaily reports.

22 Jun 2007

New database tells which sunscreens are safe and effective

According to a nonprofit research organization in the United States not all sunscreens offer adequate protection from the sun's harmful rays and some can in fact harm the skin.

20 Jun 2007

People with chronic obstructive pulmonary disease have greater arterial stiffness

The researchers also found that those COPD patients with osteoporosis, a common complication of the respiratory disease, had even greater arterial stiffness. These premature signs of aging may explain why COPD patients are at greater risk for cardiovascular disease.

19 Jun 2007

Alzheimer's-associated enzyme beta-secretase can disrupt neural activity in the brain

An enzyme involved in the formation of the amyloid-beta protein associated with Alzheimer's disease can also alter the mechanism by which signals are transmitted between brain cells, the disruption of which can cause seizures.

19 Jun 2007

Researchers use 'genomic pathway' to predict Parkinson's

A new Mayo Clinic study provides strong evidence that the joint effects of common DNA variations in several genes that encode proteins within a well-defined biological pathway largely explain why some persons get Parkinson's disease while others don't, and even predict with great accuracy at what age people might develop their first symptoms.

17 Jun 2007

Stress and Alzheimer's disease

Subjecting mice to repeated emotional stress, the kind we experience in everyday life, may contribute to the accumulation of neurofibrillary tangles, one of the hallmarks of Alzheimer's disease, report researchers at the Salk Institute for Biological Studies.

17 Jun 2007