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May 14, 2019

Dear Lucy: I’ve heard that aluminum deposits have been found in the brains of people who have died of Alzheimer's disease. Will using underarm deodorants or antiperspirants with aluminum compounds cause aluminum to enter the body? Also, will wearing pierced earrings made of silver introduce silver into the body? —Heavy Metal

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May 2, 2019

Rash decision?

Dear Lucy: I have been reading with interest the current news about measles outbreaks and note that many of us born between 1957 and 1989 may no longer be protected. Is MIT going to roll out an MMR booster for those of us who’ve only had one dose and are otherwise healthy enough to be vaccinated? —Spotty Immunity

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April 25, 2019

Skin in the game

Dear Lucy: I wonder if circumcised men feel less good than uncircumcised during sex. —Circumcurious

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Ask Lucy

Lucy, MIT Medical’s intrepid health columnist, answers the questions you can’t ask anyone else.