Was watching TV "late night news" last night
'Twas so depressing to see
Disasters, bombings, and a big gunfi- -ight
One crime upon another aired re...peatedly
Turned off the lights and went to sleep at last
Had nightmares all the night long
Some maniac was maiming sheep as fast
As I could count; instead I read a... silly song
Laugh, laugh, instead of cry
See things so funny to see
Laugh, laugh, soul purify
Of our world and its lunacy
Oh, so funny....
Look at the cable news, you're always groanin'
They show disasters galore
But laughter elevates your serotonin
Much better than prescriptions from the... druggist's store
"Best medi-cine is laughter": proverb, old
Against your worries, rearm
When dealing with a heart attack or cold"Primum non nocere"
: Laughter... couldn't harm 
Laugh, laugh, now don't be shy
To wriggle, giggle with glee
Laugh, laugh, I tell no lie
Just throw away your cares, "heh heh"!
Oh, so punny
Before I go I'd like to say one thing
Don't close your ears to me
Take my advice: if you'll start "LOL"-ing
Bet it really helps relieve your.... misery
You say you can't find any laughs at all
Log on right here and sing
We'll have you rolling on the floor, up wall,
Across the ceiling, reeling, feeling... like a king!
Laugh, laugh, on laugh, rely
Yeah, laugh so hard that you pee
Laugh, laugh, please give a try
How better does it feel to be...
Oh, so sunny
 "Serotonin": a neurotransmitter (brain chemical) associated with feelings of calm, peace, and happiness; elevated by sugar, alcohol, marijuana, prescription antidepressants, and laughter, among other things. (Laughter has fewer harmful side effects.)
 "Primum non nocere": "First, do no harm." A precept all doctors are taught in medical school, which some seem to forget upon graduating.