The definition of naturalism is a view, particularly a philosophical and artistic one, that bases everything on what can be seen, what is viewed as natural and what is viewed as Earthly. An example of naturalism is an atheistic viewpoint. naturalism.
is caffeine a vasoconstrictor or a vasodilator? Answers: vasoconstrictor. vasoconstritor and a diuretic. Caffeine is also a known competitive inhibitor of the enzyme cAMP-phosphodiesterase (cAMP-PDE), which converts cyclic AMP (cAMP) in cells to its noncyclic form, allowing cAMP to build up in cells.
8. Chocolate. You can swap in a cup of hot chocolate for coffee if you prefer: A 2013 study found that older adults (73 years old, on average) who drank two cups of cocoa every day for a month had improved blood flow to the brain and performed better on memory tests.