Washington, Feb 20: It is a well-known fact that regular physical activity helps improve health and well-being, but researchers from University of Bath are not too happy with guideline.

They have found that much of the recommendations regarding the minimum amount physical activity is conflicting within countries, thus making it difficult for healthcare professionals to assess whether a person is getting enough exercise.

London, Feb 20: People who live in neighbourhoods with numerous fast food outlets are more likely to have a stroke, a new study has found.

Large numbers of fast food restaurants in an area can push up the stroke risk by up to 13 per cent, according to the New Scientist study of one Texas city.

However, this doesn''t imply mean that their burgers, French fries and fried chicken cause stroke, says Lewis Morgenstern, an epidemiologist at the University of Michigan in Ann Arbor who presented the study at the International Stroke Conference in San Diego, California.

A group of UK health professionals believe that women going for screening for breast cancer are not provided the right information. Some women are given medical treatment which is not required.

The team comprising of Professor Michael Baum, Emeritus Professor of Surgery at University College London and Dr Paul Pharoah, Cancer Research UK Senior Clinical Research Fellow, University of Cambridge and others said that there are harms associated with early detection of breast cancer by screening that are not widely acknowledged.

Recent research revealed that children of parents with Alzheimer's having a faulty gene are more prone to risk of memory loss in middle age.

Research team analyzed data collected from a group of 715 people with an average age of 59, including 282 who had one or both parents with diagnosed dementia.

Findings indicated that this result in people with parents who have Alzheimer's disease is equivalent to about 15 years of brain ageing.

Washington, Feb 19 : High-fat diets, even if consumed for a short time, can inflame fat tissue surrounding blood vessels, which could lead to cardiovascular disease, according to researchers at the University of Cincinnati.

For the study, Neal Weintraub, MD, and colleagues examined adipose tissue, or fat, surrounding the coronary arteries of humans.

And it was found that these fat cells were highly inflamed, indicating that they could trigger inflammation of the blood vessels, an important component of atherosclerosis.