Showing posts with label nutrition. Show all posts
Showing posts with label nutrition. Show all posts
Showing posts with label nutrition. Show all posts
Showing posts with label nutrition. Show all posts

Friday, August 22, 2014

Coffee: the Good, the Better and the Not-So-Good








































Millions of people over the world start their day with an aromatic cup of coffee generally to wake them up.  Coffee contains caffeine which is the stimulant that interacts with the body to make you feel more alert.


How Coffee works and its benefits

Caffeine works as an antagonist (block receptors) of adenosine receptors in the brain. Caffeine mimics the natural neurotransmitter; adenosine, and blocks the receptor, preventing adenosine from binding to the receptor and slowing the nervous impulses. In turn this makes the nervous impulses quicker and the brain works faster. Also caffeine can relieve headaches and migraines since it binds to adrenergic receptors on vascular muscle cells which cause them to constrict instead of dilating.


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