One of the scariest parts of advanced macular degeneration can be losing the ability to read facial expressions. Maria Pavlova /iStockphoto hide caption

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Patients who get the comforts of palliative care as well as disease treatment live longer, studies show, than those who only get treatment for the disease. Annette Birkenfeld/iStockphoto hide caption

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Lively is a sensor that can be attached to a pill box, keys or doors. It lets people know whether aging parents are taking their medicines or sticking to their routines. Courtesy of Lively hide caption

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"Dance for PD" classes use music to temporarily ease tremors and get Parkinson's patients moving. Maggie Starbard/NPR hide caption

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Klotho (right) is one of the three Greek Fates depicted in this Flemish tapestry at the Victoria and Albert Museum in London. Wikimedia Commons hide caption

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Seniors who learned more difficult skills like digital photography and Photoshop showed the greatest improvement in memory. Courtesy of UT Dallas hide caption

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