The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

for several minutes have shown
ELEVATED markers of a protein
The Big Bang Theory Season 10, Episode 16

...in an ELEVATED and insightful way.
The Big Bang Theory Season 8, Episode 18

SoccerMom09 says to lie down
with your feet ELEVATED.
The Big Bang Theory Season 8, Episode 8