Scientists are actively researching the factors that influence human lifespan and healthy aging. The maximum documented human lifespan is approximately 116-117 years, with Jeanne Calment being a notable exception, living to 122 years.
Research suggests a link between lifespan, brain size, and immune system function. Studies comparing different species, including dogs and cats, indicate potential correlations. Further studies across various species have shown that those with a greater number of genes related to the immune system often exhibit increased longevity.
While genetic factors are known to influence lifespan, as seen in the Greenland whale with its DNA repair adaptations, direct translation of these findings to humans is complex. Research on simpler organisms like yeast, worms, and flies has yielded promising results, but their applicability to humans is still under investigation.
Other studies emphasize the potential benefits of lifestyle factors and supplements. Vitamin D, omega-3 fatty acids, and regular exercise have been linked to aspects of healthy aging. However, the pursuit of extreme longevity through experimental treatments and unproven supplements carries risks and is often costly.
Ultimately, a good quality of life, maintaining physical and social activity, and potentially having beneficial genetic predispositions appear to be key factors in promoting healthy aging. Focusing on improving the quality of life, rather than solely extending lifespan, may be a more realistic and achievable goal.