multiple sclerosis multiple sclerosis

Alzheimer's disease causes atrophy of brain tissue. The discovery that lymph vessels near the brain's surface help remove waste suggests glitches in the lymph system might be involved in Alzheimer's and a variety of other brain diseases. Alfred Pasieka/Science Source hide caption

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Alfred Pasieka/Science Source

Brain's Link To Immune System Might Help Explain Alzheimer's

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Gilead Sciences' Harvoni can cure hepatitis C, but the drug costs a fortune. Lloyd Fox/Baltimore Sun/TNS via Getty Images hide caption

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Lloyd Fox/Baltimore Sun/TNS via Getty Images
Tang Yau Hoong/Ikon Images/Getty Images

As His Mother's Multiple Sclerosis Progresses, A Son Shifts To Caregiver

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Maria Fabrizio for NPR

Multiple Sclerosis Patients Stressed Out By Soaring Drug Costs

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Jason DaSilva was on a family vacation in 2006 when he fell and couldn't get up. His multiple sclerosis symptoms have progressed to the point that he can't walk. Factory Release hide caption

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Factory Release

A collage of family photos of Melissa Sherak Glasser. Mark Turner for NPR hide caption

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Mark Turner for NPR

Pregnancy Hormone May Reduce Multiple Sclerosis Symptoms

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French multiple sclerosis sufferer Marc Kopp speaks about his quest to skydive over Mount Everest, in an interview conducted in Kathmandu last week. Prakash Mathema/AFP/Getty Images hide caption

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Prakash Mathema/AFP/Getty Images

Spring has brought the stork and a baby who just might have a higher risk for multiple sclerosis later in life. Anna Bryukhanova/iStockphoto.com hide caption

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Anna Bryukhanova/iStockphoto.com

Moshe Rute smokes marijuana at the Hadarim nursing home in Kibutz Naan, Israel, in early March. The Israeli government and a private company are distributing cannabis for medicinal purposes to more than 1,800 people in Israel. Uriel Sinai/Getty Images hide caption

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Uriel Sinai/Getty Images