Category: Health

Q&A: The Chemical Reaction That Cleans Everything

Photo Credit Victoria Roberts Q. What exactly does bleach do? If I soak a cracked dish, the stains seem to be gone — but are they really? A. The active ingredient of bleach is sodium hypochlorite, which is made up of three common elements, sodium, oxygen and chlorine, said May Nyman, professor of chemistry at…

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Photo The Rev. Jesse Jackson at the Democratic National Convention in Philadelphia last year. Credit Drew Angerer/Getty Images The Rev. Jesse L. Jackson, the longtime civil rights leader and former Democratic presidential candidate, said Friday he has Parkinson’s disease. In a letter posted on Twitter on Friday afternoon, Mr. Jackson, 76, shared the news and…

Ask Well: What Is Parkinsonism?

Photo Q. What is Parkinsonism? A. Parkinsonism refers to a group of movement abnormalities — such as stiffness, slowness, shuffling of the feet and often tremor — that are classic features of Parkinson’s disease but that can also be caused by medications and other disorders with overlapping symptoms, said Dr. Michael S. Okun, a neurologist…