News tagged with substances

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Genetic study reveals the origins of cavity-causing bacteria

Medicine & Health / Research

Dec 23, 2009 | 5 / 5 (2) | 0

Researchers have uncovered the complete genetic make-up of the cavity-causing bacterium Bifidobacterium dentium Bd1, revealing the genetic adaptations that allow this microorganism to live and cause decay in the human oral ...

Britain bans 'legal high' drugs

Medicine & Health / Health

Dec 23, 2009 | 4 / 5 (4) | 1

Britain banned several drugs known as "legal highs" Wednesday amid mounting public concern about their health risks.

Tracing the traces: Nanogram concentrations of a toxic compound detected in chlorinated tap water

Chemistry / Analytical Chemistry

Dec 23, 2009 | 5 / 5 (3) | 6

(PhysOrg.com) -- Drinking water can transmit a number of diseases, including typhoid, dysentery, cholera, and diarrhea, which can then spread explosively throughout an entire service area. To avoid this problem, drinking ...

Adjusting acidity with impunity

Chemistry / Analytical Chemistry

Dec 22, 2009 | 4.5 / 5 (2) | 0

(PhysOrg.com) -- How do individual cells or proteins react to changing pH levels? Researchers at the MESA+ Institute for Nanotechnology at the University of Twente, The Netherlands, have developed a technique ...

Enhanced sweet taste: This is your tongue on pot

Medicine & Health / Research

Dec 22, 2009 | 3 / 5 (2) | 0

New findings from the Monell Center and Kyushu University in Japan report that endocannabinoids act directly on taste receptors on the tongue to enhance sweet taste.

Study redefines placebo effect as part of effective treatment

Medicine & Health / Psychology & Psychiatry

Dec 22, 2009 | not rated yet | 0

Researchers used the placebo effect to successfully treat psoriasis patients with one quarter to one half of their usual dose of a widely used steroid medication, according to an early study published online today in the ...

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