Discipline Equals Freedom Field Manual by Jocko Willink ( PDFDrive.com )
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PHYSICAL TRAINING<br />
There are all kinds of benefits from physical<br />
training.<br />
You will be healthier.<br />
This is a fact.<br />
By working out, you will increase your endorphins,<br />
testosterone, growth hormones, cardiac volume,<br />
insulin sensitivity, and natural killer cells.<br />
Those changes will help prevent or treat the<br />
following health issues: high blood pressure,<br />
obesity, heart disease, type 2 diabetes, insomnia,<br />
and depression.<br />
BOOM.<br />
Still not convinced?<br />
Working out will make you smarter. Yes: Smarter.<br />
It improves blood flow to the brain.<br />
It boosts growth hormones that promote growth of new<br />
nerve cells.<br />
It improves synaptic plasticity, the ability for<br />
neurons to send and receive messages.<br />
It releases brain chemicals that help cognition,<br />
like: dopamine, glutamate, norepinephrine, and<br />
serotonin.<br />
It also boosts the production of brain-derived<br />
neurotrophic factor (BDNF), a protein that helps with<br />
mental processes.<br />
But, don’t just take my word for it.<br />
Go. Do.
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