How long will you live?
Based on research from the Framingham Heart Study and WHO data
Medical Disclaimer: This tool provides general educational estimates. Always consult your prescribing physician or healthcare provider before making medication changes or interpreting results from population-based models.
Frequently Asked Questions
This provides statistical estimates based on population-level research, not individual predictions. Consider results as general guidelines.
Yes. The big four behaviors -- not smoking, healthy weight, exercise, and good diet -- are associated with 11-14 years of increased life expectancy.
Meta-analyses show social isolation has mortality risk comparable to smoking 15 cigarettes daily, exceeding risks of obesity and inactivity.
Twin studies suggest 20-30% of lifespan variation is genetic. Lifestyle remains more influential for most people.
Methodology
Starts with WHO baseline life expectancy (74 for females, 70 for males) and applies additive adjustments from epidemiological research. BMI follows a J-shaped mortality curve. Exercise contributes up to +5 years. Smoking applies up to -10 years. Sleep follows a U-shaped curve. Results are bounded to 50-120 years.
Average life expectancy is about 79 years for women and 74 for men in the US. The biggest modifiable factors are smoking (-10 years for heavy smokers), exercise (+5 years for regular activity), diet quality (+5 years), and social connections (+4 years). Even adopting healthy behaviors in middle age shows measurable benefits.
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