Scientists turn skin cells into beating heart muscle

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6. I'm with you about the excitement except for elderly people with Alzheimer's, i.e.

the longer people live, the more likely it is they get Alzheimer's and other types of debilitating dementia. This is the downside of living long lives. My mother who now has advanced Alzheimer's at 87 did not have memory problems until 82. Now she needs round the clock care that is terribly expensive, she can barely walk, cannot do what she used to do including converse, cannot use the toilet herself, is out of her mind most of the time, and she's not living a good life but she's living.

It's great that younger or middle-aged people can get a new heart this way but for the elderly...I really question prolonging life since the brain deteriorates and right now, there's nothing we can do about it.

And now my mom's friend, age 86, has just been diagnosed with dementia.