Originally Posted by Martin Crisp

The point here is that we expose ourselves to these chemicals very frequenty and for days on end at big races, which is why I think some attention to this issue is warranted. I choose to pick on traction compounds because when I don't use them, the skin on my hands and my congestion/wheezing does not flair up. So through essentially a process of elimination, the traction compound seemed to have the biggest impact on my overall health.