Christmas Eve Fish in the Rest of Italy. While only those in southern Italy and Sicily celebrate Christmas Eve with a feast of seven fishes, there are other Italian traditions that have ties to the Feast of Seven Fishes. Eaten in many parts of Italy on Christmas Eve is a dish called cenone, which is made of eel. Eel is regarded as a delicacy in Italy, and therefore a must on every table for Christmas Eve, regardless of whether there are numerous other fish dishes or not.
One challenge to the pursuit of an anti-aging pill is how long humans already live; while current studies with mice or yeast cells are feasible, a study on a human could take, well, 75 or 80 years. Some people aren't going to wait that long.
Humans are simply one of the several million forms of life which have evolved from the first single cells which developed the power to reproduce over some 3.8 billion years of time. No species just came into being in its present form, all have evolved from something else.