tribey
ʎǝlʞuᴉH ʞɔɐS
And, no, it’s not ‘real simple’
It really isn’t.
If all drugs and treatment that showed great promise in a petri dish (in vitro) and other laboratory conditions had the desired effect at safe doses in the human body (in vivo), we’d have cured cancer and myriad diseases years ago.







how many people in the world 7ish billion? 

