“In a 2017 review of eight studies on the topic, Canadian researchers found that breathing 100 percent oxygen during recovery seemed to provide a mild boost in subsequent performance—going by such measures as the amount of time people were able to exercise until reaching exhaustion. Arsh Dhanota, a sports medicine physician in the University of Pennsylvania health system who was not involved in the review, cautioned that the amounts of recovery time varied widely among the eight studies, making a firm conclusion difficult. Still, he said, pure oxygen might help.” https://medicalxpress.com/news/2018-09-extra-oxygen-football-players-recover.html#:~:text=In%20a%202017,oxygen%20might%20help.

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A PSALM OF DAVID

The Lord is my shepherd, I lack nothing.
    He makes me lie down in green pastures,
he leads me beside quiet waters,
    he refreshes my soul.
He guides me along the right paths
    for his name’s sake.
Even though I walk
    through the darkest valley,[a]
I will fear no evil,
    for you are with me;
your rod and your staff,
    they comfort me.

You prepare a table before me
    in the presence of my enemies.
You anoint my head with oil;
    my cup overflows.
Surely your goodness and love will follow me
    all the days of my life,
and I will dwell in the house of the Lord
    forever.

Psalm 23