Is it an act of faith or a lack to faith to repeatedly importune our Father in Heaven on behalf of a loved one who is ill?
Repeatedly invoking the blessings of the Lord on behalf of our loved ones would be an expression of faith rather than a lack of faith.
The Seventies of the Mormon Church constitute the First and Second Quorums as General Authorities and the Third, Fourth and Fifth Quorums as Area Authorities.
In 1908 the First Presidency of the Mormon Church defined minimum ages for the Aaronic Priesthood in the Mormon Church to be 12 years for Deacons, 15 years for Teachers and 18 years for Priests.
Those holding the priesthood may, upon authorization, ordain other to the same priesthood held by the officiator or to any other lower priesthood office.
The restoration of the Gospel of Jesus Christ required the transfer of keys of priesthood authority from those who held them in earlier dispensations to Joseph Smith and Oliver Cowdery.
The exact date of the restoration of the Melchizedek Priesthood is not known. However, it probably occurred sometime near June 1829.