Hazards of CT scans overstated in NEJM

A recent article in the New England Journal of Medicine has suggested that the radiation dose from CT scans is a cause for concern, and CT scans should only be used judiciously and when medically necessary.
– A recent article by Drs. David Brenner and Eric Hall in the New England Journal of Medicine has suggested that the radiation dose from CT scans is a cause for concern, and may be responsible for a small percentage of cancer deaths in the United States. While the conclusions of the Brenner article have been portrayed by some as conclusive, in reality the scientific community remains divided in regards to the radiation dose effects of CT.

Fitness linked to heart health and then to brain health

Train your heart to protect your mind — New study links cardiovascular health to cognitive changes as we age – Exercising to improve our cardiovascular strength may protect us from cognitive impairment as we age. This is revealed in a new study by researchers at the University of Montreal and its affiliated Institut universitaire de gératrie de Montréal Research Centre.

ADT with docetaxel extends survival in metastatic prostate cancer

Drug Combination Extends Survival by More Than a Year in Metastatic Prostate Cancer – Men with newly diagnosed metastatic, hormone-sensitive prostate cancer lived more than a year longer when they received a chemotherapy drug docetaxel as initial treatment instead of waiting to for the disease to become resistant to hormone-blockers.

High good and low bad cholesterol levels healthy for brain

High good and low bad cholesterol levels are healthy for the brain, too – High levels of “good” cholesterol and low levels of “bad” cholesterol are correlated with lower levels of the amyloid plaque deposition in the brain that is a hallmark of Alzheimer’s disease, UC Davis researchers have found.

Michael Schumacher showing improvement after ski accident

The Formula 1 legend underwent a second procedure on Monday night and has shown a ‘slight improvement’ – Michael Schumacher underwent a second surgery after a brain scan showed small, “surprising” signs of improvement. However, doctors said that they couldn’t offer any insight into the prognosis for the Formula One champion Michael Schumacher.

Concussions may be related to Alzheimer’s disease

Are concussions related to Alzheimer’s disease? – A history of concussion involving at least a momentary loss of consciousness may be related to the buildup of Alzheimer’s-associated plaques in the brain, revealed by researchers in Neurology, the medical journal of the American Academy of Neurology.

Lower blood sugar good for brain

Lower Blood Sugars May Be Good for the Brain – Even for people within the normal range of blood sugar, lowering their blood sugar levels could be a promising strategy for preventing memory problems and cognitive decline as they age.

Mind wandering may lead to insomnia

Brain imaging study reveals the wandering mind behind insomnia — Study is the first to find functional MRI differences in working memory in people with primary insomnia – A new brain imaging study may help explain why people with insomnia often complain that they struggle to concentrate during the day even when objective evidence of a cognitive problem is lacking.

Plain cigarette packs not a problem for small shops

Plain cigarette packets to be introduced — Australia was the first country in the world to introduce plain pack cigarettes – Ireland first EU country to ban branding on cigarette packages – Putting all cigarettes in packs of uniform colour, size and design has not caused sales staff any problems in serving customers according to new research. Researchers examining the impact of plain, standardised tobacco packaging studied how long it took shop assistants to identify and retrieve cigarettes in small shops across Australia – twice before the rollout of standardised packaging in December 2012, and twice after.

Health Newstrack