If is not a correct alternative for “Whether" in “Whether this is going" (line 24).
The term “wellderly" (line 7) refers to anyone who turns 80.
People live a long and healthy life in Molochio because there is a ban on smoking and drinking there.
“this", in “this small community" (lines 14 and 15), is the singular form of these.
The relative pronoun which is a correct alternative for “who" in “centenarians who neither smoke nor drink" (line 15).
According to Eric Topol, it is likely that genes take part in the aging process.
The centenarians who live in Molochio used to have a vegetarian diet.
The use of Nevertheless instead of “However", in “However, such evidence" (line 19), will alter the meaning of the sentence.
“which", in “which seemed an exceptional achievement" (lines 5 and 6), can be correctly replaced by what.
“others", in “among others" (line 12), cannot be correctly replaced by another.
The modal auxiliary would can be used instead of “could" in “A baby born today could live" (line 1) without affecting the meaning of the sentence.
The possibility to live to or beyond the age of 100 was more remote some decades ago than it is currently.
Many scientific studies focusing on community health have been carried out in Calabria and the island of Okinawa.
The belief that longevity is determined solely by diet and lifestyle is no longer taken for granted.
According to the last paragraph, the discovery of the genes referred to by Eric Topol is only a question of time.