Perdue University has found the cause of a type of Parkinson's to be manganese toxicity, common in welders and miners. This type responds to a second-line tuberculosis drug, para-aminosalicylic (PAS)...
As a welder, I have experienced my clothes catch fire without (or with a delayed) pain sensations due to the flames burning away from my body. The actual burning takes place when pressure to smother...