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 This is an archived article and the information in the article may be outdated.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.
What is Parkinson's Disease? Parkinsonâs disease (PD) is a slowly progressive disorder of the brain that affects movement, muscle control, and balance. Symptoms include shaking (tremor) and difficulty with walking. Back to Top. Who is at Risk? Parkinsonâs disease is the second most common neurodegenerative disease in the United States, second only to Alzheimerâs disease. The average age of diagnosis is near 60; onset before age 40 years is relatively uncommon, but the diagnosis of actor Michael J. Fox indicates younger people are also vulnerable. According to the National Parkinson Foundation, 50,000 to 60,000 new cases of PD are diagnosed every year in the United States and more than 1 million Americans currently suffer from the disease.