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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

How will global warming affect human health?

Global warming will cause more deaths in summer because of higher temperatures but these will not be offset by fewer deaths in milder winters finds an analysis published online ahead of print in Occupational and Environment Medicine.

28 Jun 2007

UN warns bird flu will be around for quite a while

A warning has been issued by the United Nations Food and Agriculture Organization (FAO) with regard to the deadly H5N1 bird flu virus.

27 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

Tinnitus retraining therapy

It is estimated that between 10 and 17% of the population has suffered tinnitus at some time in their lives, according to a number of international studies.

27 Jun 2007

Gene variant increases risk for alcoholism following childhood abuse

Girls who suffered childhood sexual abuse are more likely to develop alcoholism later in life if they possess a particular variant of a gene involved in the body's response to stress, according to a new study led by researchers at the National Institute on Alcohol Abuse and Alcoholism (NIAAA), part of the National Institutes of Health (NIH).

27 Jun 2007

Substance from lapacho tree could lead to new lung-cancer treatment

Researchers at UT Southwestern Medical Center have determined how a substance derived from the bark of the South American lapacho tree kills certain kinds of cancer cells, findings that also suggest a novel treatment for the most common type of lung cancer.

26 Jun 2007

Personal comments by physicians distract from patient needs

In well-intentioned efforts to establish relationships, some physicians tell patients about their own family members, health problems, travel experiences and political beliefs.

26 Jun 2007

Women need to start thinking about heart disease prevention before menopause

Studies in female monkeys helped raise important questions about hormone therapy that were addressed in a Women's Health Initiative study reported last week in the New England Journal of Medicine .

26 Jun 2007

Daily meditation may improve focus and performance

Meditation, according to Penn neuroscientist Amishi Jha and Michael Baime, director of Penn's Stress Management Program, is an active and effortful process that literally changes the way the brain works.

26 Jun 2007

Greater understanding of fibromyalgia as a true medical condition

Fibromyalgia, a chronic, widespread pain in muscles and soft tissues accompanied by fatigue, is a fairly common condition that does not manifest any structural damage in an organ.

26 Jun 2007

Animal studies shouldn't alter anesthesiology practice in newborns

Recent studies showing that commonly used anesthetic agents can cause brain damage in animals don't prove that similar harmful effects occur in human newborns - and shouldn't affect current approaches to anesthesia in preterm and ill infants, according to a leading expert on pain management in newborns.

26 Jun 2007

Neurological reason for doing mindfulness meditation

Talking with a therapist or friend, writing in a journal, help us to feel better! A new brain imaging study by UCLA psychologists reveals why verbalizing our feelings makes our sadness, anger and pain less intense.

23 Jun 2007

Meaningful leisure can mean many things

No matter what form your summer break takes, the benefits of leisure time can be powerful.

23 Jun 2007

Link between levels of urate in the blood and risk of Parkinson's disease

In a new, large-scale, prospective study exploring the link between levels of urate in the blood and risk of Parkinson's disease, researchers from the Harvard School of Public Health (HSPH) have found that high levels of urate are strongly associated with a reduced risk of the disease.

23 Jun 2007