to appropriate medical care.
No single habit guarantees a longer life, just as no particular blood type guarantees slower aging.
Genetics
Genes influence numerous characteristics related to aging, including metabolism, immune function, cardiovascular risk, DNA maintenance, and susceptibility to particular diseases.
Family history can therefore provide useful information about certain health risks.
But genetics is not destiny. Even people with similar genetic backgrounds can experience very different health trajectories because genes interact continuously with environment and lifestyle.
Physical Activity
Regular physical activity is associated with numerous aspects of healthy aging.