People used to strive simply to live as long as possible, but in recent years, that goal has taken on a new dimension: How long can you live in good health? “The focus now is on health span, not life spanlucky horse,” said Dr. Frank Lipman, a co-author of the 2020 book “The New Rules of Aging Well.” “We generally talk about extending someone’s life, but what’s the use if they’re suffering and disabled and can’t enjoy what they have?”

With research showing that modifications to factors like exercise, nutrition and sleep can make a crucial difference between aging and aging well, a host of retreats offer a range of programs, some more expensive than others, catering to those who aim to prevent disease and expand their health spans.

Some of these destinations begin with high-tech medical assessments like genetic and cancer screenings, as well as cardiac and cognitive tests. Many provide “biohacking” treatments involving infrared saunas, cryotherapy chambers, IVs and blood work, while others focus on more holistic ways to nurture the body and mind.

Some experts have expressed skepticism about the effectiveness of biohacking treatments on life span and suggest setting your expectations before committing to a program. “The good part of the longevity trend is that people are more aware of optimal health and that they can influence the quality and quantity of their life,” said Dr. Kenneth R. Pelletier, author of “Change Your Genes, Change Your Life.” “But taking supplements and having blood transfusions, for example, are not a promise of extended longevity.”

Here are six all-inclusive spas and retreats around the world that offer longevity-based programs and treatments.

Tecate, Mexico

Rancho La PuertaImageRancho La Puerta, on a 4,000-acre organic farm and wilderness preserve, offers guests yoga, circuit training and hiking, as well as weekly sessions with its 102-year-old co-founder.Credit...Rancho La Puerta

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