Tend (to) life

The Oxford Advanced Learner's Dictionary states about the verb "tend" (tend as in taking care, not as in tendency):

(tend (to) somebody/something). The example sentences are: Doctors and nurses tended the injured. / Ambulance crew were tending to the injured.

Can one say "tend (to) (the?) life"?

For example, "The local mind yoga club's advertisement read: 'A few minutes each day that will tend (to?) (the?) life'."

Is this use of "tend" grammatically correct? And should "to" and/or "the" be included from a grammatically correct perspective?