Smoking: New research helps itch to quit

Sep 13, 2009

European scientists said Sunday they could explain why nicotine patches designed to help smokers kick their habit can cause skin irritation.

Nicotine activates a so-called ion channel in skin cells that unleashes an inflammatory response by the , leading to itching, they reported in the journal Nature Neuroscience.

Previously, the irritation had been blamed on stimulation of special receptors on nerve cells, causing pain signals to be sent to the brain.

The investigation, carried out on that had been genetically modified to lack the TRPA-1 ion channel, was led by Karel Talavera of the Leuven Catholic University, near Brussels.

The discovery could pave the way to smoking therapies with fewer side effects, the authors say.

(c) 2009 AFP

Explore further: Study recommends inmate immunity test

add to favorites email to friend print save as pdf

Related Stories

Two Nicotine Addiction Puzzles Explained

Aug 02, 2007

The stranglehold of nicotine addiction leads to more than four million smoking-related deaths each year. Scientists at the California Institute of Technology have now explained two roots of that addiction. The discoveries ...

Recommended for you

Study recommends inmate immunity test

21 hours ago

(AP)—Federal experts are recommending that California test inmates for immunity to a sometimes fatal soil-borne fungus before incarcerating them at two Central Valley state prisons where the disease has killed nearly three ...

Down syndrome teens need support, health assessed

Jul 25, 2014

Young adults with Down syndrome experience a range of physical and mental health conditions over and above those commonly reported in children with the condition—and these health problems may significantly ...

Time out for exercise

Jul 25, 2014

University of Queensland researcher has found that restructuring our daily routine to include exercise can have unexpected effects on health.

User comments : 0