But, besides these things, there are some factors that their...

But, besides these things, there are some factors that their outward relation with the question of prolongation of life-time is not so clear to us, while some Islamic narrations have properly emphasized on it.

As a few examples, pay attention to the following narrations: 1- The holy Prophet (p.b.u.h.) says: “Verily alms-giving (in the way of Allah) and union of kindred cause houses to be furnished and prolong the life-times’.” [^1] 2- He (p.b.u.h.) also has said: “Whoever desires his sustenance to be increased and his death to be postponed should perform union of kindred.” 3- Concerning some of sins, like fornication in particular, Islamic narrations indicate that such sins decrease the length of lifetime.

Among them is the famous tradition of the Prophet (p.b.u.h.) in which he has said: “O’ Muslims! Do avoid fornication which has six sequels: Three of them are in this…