Today's Health Links October 31, 2013

RNA build-up linked to dementia, motor neuron disease
A new toxic entity associated with genetically inherited forms of dementia and motor neuron disease has been identified by scientists. The toxin is the result of a genetic mutation that leads to the production of RNA molecules which could be responsible for the diseases.
Those with Alzheimer's more likely to have heart disease , offered less treatment options
Persons with Alzheimer’s disease suffer from ischaemic heart diseases more frequently than others, yet they undergo related procedures and surgery less frequently than persons with no diagnosed AD, according to a nation-wide register-based study. The study involved a total of 28,093 persons; that is every community-dwelling person with a diagnosed Alzheimer’s disease living in Finland on 31 December 2005.
Face it: Twins who smoke look older
Twins who smoke show more premature facial aging, compared to their nonsmoking identical twins, reports a study.
'Gravity theory' may explain male pattern baldness
The effects of gravity may explain the apparently paradoxical effects of testosterone in male pattern baldness, or androgenic alopecia, according to new research.
Knowledge about incontinence, pelvic organ prolapse lower among women of color
Knowing what symptoms to look for may help women with pelvic floor disorders improve their chances of successful treatment. But knowledge of these disorders is lacking among most women, and especially among women of color, according to a new study.