Lab Report: Health, Science and Medicine

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Men who lose their hair may have one more option for regrowing their vanished crop: new research shows that balding areas have the same number of hair stem cells as more hirsute ones. Researchers hope to boost populations of a progenitor cell that somehow fails to develop from the stem cells.

THE SPEEDY LIVE LONGER

Walking is a great way to invigorate mind and body, and all that healthiness may be associated with a longer life as well. In a study of adults over 65, those who walked faster were 90% likelier to live at least 10 more years than those who walked at a pokier pace. Walking speed may be an indicator for how well the heart, lungs, joints and muscles are functioning.

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