Thursday, January 23, 2020

Why Does Stress Turn Hair Gray? Nerve Study Provides the Answer


Why Does Stress Turn Hair Gray? Nerve Study Provides the Answer

Why Does Stress Turn Hair Gray? Nerve Study Provides the Answer
Elaborate sympathetic innervation (magenta) around melanocyte stem cells (yellow). Acute stress induces hyperactivation of the sympathetic nervous system to release large amount of the neurotransmitter norepinephrine. Norepinephrine drives rapid depletion of melanocyte stem cells and hair greying. Credit: Hsu Laboratory, Harvard University

Monday, January 20, 2020

Like Walnuts? So Do Your Gut Bacteria!


Like Walnuts? So Do Your Gut Bacteria!

 
Like Walnuts? So Do Your Gut Bacteria!
Credit: Pixabay.

Thursday, January 16, 2020

Beauty Sleep Could Be Real, Say Body Clock Biologists

Beauty Sleep Could Be Real, Say Body Clock Biologists

Beauty Sleep Could Be Real, Say Body Clock Biologists
Credit: Pixabay

Tuesday, January 14, 2020

Have Scientists Found a Replacement for Exercise?

Have Scientists Found a Replacement for Exercise?
Credit: Jonathan Borba on Unsplash.