Explaining the variable oxidation states in the transition metals. We'll look at the formation of simple ions like Fe 2+ and Fe 3+ . When a metal forms an ionic compound, the formula of the compound produced depends on the energetics of the process.
Woman can accurately detect Parkinsonâs Disease through smell: report. This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. A woman whose husband died of Parkinsonâs Disease may revolutionize the way the neurological disorder is diagnosed. Joy Milne was tested by researchers after she claimed she could detect people suffering from Parkinsonâs through a tell-tale odor. âI recognized a change in his smell,â Milne told BBC, describing the new scent as âmusky.â But, she chalked the new smell up to the long hours he was working.
Most people have the first symptoms of Parkinson's disease after the age of 60 years, but Parkinson's disease also affects younger people. Early-onset Parkinson's disease strikes people around the age of 40 years, or even earlier.