THIS Is why flight attendants tell you to secure YOUR mask before helping others
July 23, 2016
You've heard the flight attendant say this before: "Secure your own mask before helping others." But why?
Hypoxia sets in.
In this video, Destin Sandlin of Smarter Every Day demonstrates what happens to your brain when you lose oxygen at high altitudes and how important putting your mask on first truly is.
Click Here For The Most Popular On Sunny Skyz
Boy With Down Syndrome Nails The Whitney Houston Challenge, And The Crowd Goes Wild
Husband Rents Mall Store To Share His Late Wife's Beloved Christmas Display
The ‘Grandma Stand’ Is Bringing Comfort And Connection, One Conversation At A Time
The Funniest Wildlife Photos Of 2025 Are Here — And They’re Hilarious
This Priest Secretly Became A Masked Wrestler To Fund An Orphanage
This 30-Year-Old’s Christmas Gift To His Mom Is Going Viral
Dad Jokes With Tom Hardy And His Dad
After 2 Years Apart, Siblings In Foster Care Are Finally Reunited
The Hug That Went Viral On Facebook
He Asked For Help Wrapping A Christmas Present — Then Surprised Her With A Life-Changing Gift
You Have To See This 'Piggy Train' Trotting Through The Snow
