Neuroscience

Acting out dreams linked to development of dementia, study finds

The strongest predictor of whether a man is developing dementia with Lewy bodies—the second most common form of dementia in the elderly—is whether he acts out his dreams while sleeping, Mayo Clinic researchers have discovered. ...

Surgery

Study examines botox dose disparity in aesthetic face tx

(HealthDay)—For patients undergoing onabotulinum toxin A injections, the difference in doses given to achieve desired results in the muscles of the upper and lower face results from variable amounts of paralysis needed ...

Diseases, Conditions, Syndromes

Stem cell discovery gives insight into motor neurone disease

A discovery using stem cells from a patient with motor neurone disease could help research into treatments for the condition. The study used a patient's skin cells to create motor neurons - nerve cells that control muscle ...

Medical research

Study offers new insights into the mechanics of muscle fatigue

A study in The Journal of General Physiology examines the consequences of muscle activity with surprising results, indicating that the extracellular accumulation of potassium that occurs in working muscles is considerably ...

Diseases, Conditions, Syndromes

Feds: Old potato behind Utah prison-brew botulism

(AP)—The Centers for Disease Control and Prevention says a weeks-old baked potato was the source of a botulism outbreak at a Utah prison where inmates consumed cell-brewed alcohol.

Neuroscience

Study identifies how muscles are paralyzed during sleep

Two powerful brain chemical systems work together to paralyze skeletal muscles during rapid eye movement (REM) sleep, according to new research in the July 11 issue of The Journal of Neuroscience. The finding may help scientists ...

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