Medical News Today: Could a probiotic prevent or reverse Parkinson’s?

A new study using a roundworm model of Parkinson’s disease found that a probiotic bacterium could prevent, and in some cases reverse, toxic protein buildup. Misfolded alpha-synuclein proteins in the brain are the hallmark sign of Parkinson’s disease. Many experts believe that these toxic protein clumps lead to the progressive loss of brain cells that…

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Of Ball Gowns and the Subconscious

PARIS — It’s been a strange, discombobulating dance at the couture, sneaking glances between shows at the impeachment proceedings going on in the United States, the spread of coronavirus in China, and the plutocrats talking sustainability at Davos. World events have a way of raising the stakes on a collection; what can a designer do…

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They’ve Got Their Gems to Keep Them Warm

PARIS —- January is the quieter of the two couture seasons when it comes to displays of haute joaillerie. With many top clients preferring to spend summer in the City of Light rather than the short chilly days of winter, some houses prefer to keep their shimmering meditations on the power of work done by…

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36 Hours in Honolulu

For many travelers, Honolulu is just a stopover en route to Maui or Kauai, with a goal of avoiding the overtouristed maze that Waikiki has become. In 2018, nearly 6 million travelers arrived by air to the island of Oahu, up 16.2 percent in five years. But there is still plenty to do and see…

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My Son’s Friends Use Slurs in Online Games. What Can I Do?

Our Adolescence columnist, the psychologist Lisa Damour, responds to a reader’s question. The question has been edited and is being published with the consent of the person who submitted it. [To submit a question, email AskDrDamour@nytimes.com.] ImageCredit…Lilli Carré My 12-year-old son and his school friends use a live chat app while they’re playing online video…

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My Father’s Passport

In his mid-60s, my father unfolded a United States road atlas, laid a ruler across it, and drew a straight line from Cape Flattery, Wash., to Key West, Fla. “It’s downhill all the way!” he boomed. Then he drove that line, from the northwest corner of the continental United States to its southeastern endpoint —…

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Coronavirus Live Updates: Residents Flee as City is Locked Down

An outbreak is spreading. Here’s what you need to know: ImageA hospital worker washes the  entrance to the Wuhan Medical Treatment Center, where some infected with a new virus were being treated.Credit…Dake Kang/Associated Press A city of 11 million is put on lockdown. Chinese authorities on Thursday morning closed off Wuhan — a major port…

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Scale of China’s Wuhan Shutdown Is Believed to Be Without Precedent

In closing off Wuhan, a city of more than 11 million people, China is deploying a centuries-old public health tactic to prevent the spread of infectious disease — this time, a mysterious respiratory infection caused by a coronavirus. Experts said the stunning scale of the shutdown, isolating a major urban transit hub larger than New…

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Stress Really Does Make Hair Go Gray Faster

There is some truth to the longstanding anecdote that your locks can lose color when you’re stressed. A team of researchers has found that in mice, stressful events trigger damage the stem cells that are responsible for producing pigment in hair. These stem cells, found near the base of each hair follicle, differentiate to form…

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Major Insurers Pledge $55 Million to Try to Lower Generic Drug Prices

A major group of insurers said it would invest $55 million to create cheaper versions of expensive generic drugs for which there is little competition, in a further sign of dissatisfaction with the pharmaceutical industry’s price-setting practices. The decision by the Blue Cross Blue Shield Association and 18 of its member organizations, which insure about…

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