Your skeletal muscles are made up of bunches of elongated, rod-shaped cells called muscle fibres. Each of your muscle cells is packed full of thinner fibres called myofibrils. These fibres contain ...

New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. The human body ...

Step aside, Fitbit. Data-driven fitness gadgets have nothing on this: A tiny, wearable microscope catches glimpses of muscles in action. The mini microscope, described in the Dec. 16 Neuron, can track ...

Dear Doctors: Can you please talk about myasthenia gravis? Our oldest daughter has been diagnosed with it. She’s 33 and lives with her family in another state, but we want to understand what she’s ...

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