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4 Your Health: Alzheimer's and pneumonia, high blood pressure and the super senses of the sightless

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Tucson- When the brain loses connection with one sense, like eyesight, other senses appear to be heightened. 

Brain scans reveal people who are blind from birth or an early age may have greater abilities to hear, smell and touch.

The study from Massachusetts Eye And Ear, was small, including scans from just 12 people. But doctors reported those who were blind had more brain connections in parts of the brain responsible for other senses, as well as memory and language.

Race and ethnicity may be factors in the treatment of teens with high blood pressure.

The new research comes from the University Of Texas Health Science Center At Houston. Doctors there analyzed data on more than 21-thousand Houston area teens between 2000 and 2015.

Overall, about a third of teens were overweight. But obese white and Hispanic students had a higher chance of high blood pressure. Children of Asian descent had lower hypertension rates, no matter what their body mass index was.

Doctors often prescribe sedatives to people with Alzheimer's disease to treat anxiety but new research from Finland finds those commonly used sedatives can increase the risk a patient will develop pneumonia.

Doctors say patients are more likely to breathe saliva or food into their lungs while on sedatives.

The risk was greatest during the first 30 days of treatment.

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