| id |
808a5390-19b0-40fd-ad65-b2cf8faf5060 |
| user_id |
8684964a-bab1-4235-93a8-5fd5e24a1d0a |
| job_id |
hwxterdf-6513 |
| base_model_name |
xevyo |
| base_model_path |
/home/sid/tuning/finetune/backend/output/xevyo-bas /home/sid/tuning/finetune/backend/output/xevyo-base-v1/merged_fp16_hf... |
| model_name |
Predicting Human Lifespan |
| model_desc |
Predicting Human Lifespan Limits |
| model_path |
/home/sid/tuning/finetune/backend/output/hwxterdf- /home/sid/tuning/finetune/backend/output/hwxterdf-6513/merged_fp16_hf... |
| source_model_name |
xevyo |
| source_model_path |
/home/sid/tuning/finetune/backend/output/xevyo-bas /home/sid/tuning/finetune/backend/output/xevyo-base-v1/merged_fp16_hf... |
| source_job_id |
xevyo-base-v1 |
| dataset_desc |
1. Humans have been living longer—but is there a l 1. Humans have been living longer—but is there a limit?
Survival and life expectancy have improved dramatically due to income, nutrition, education, sanitation, and medicine.
But scientists still debate whether human lifespan is capped at 85, 100, 125, or even 150 years.
The paper addresses this debate using a new mathematical method.
2. A New Model of Human Survival Dynamics
The authors use a survival function:
𝑆
(
𝑥
)
=
exp
[
−
(
𝑥
/
𝛼
)
𝛽
(
𝑥
)
]
S(x)=exp[−(x/α)
β(x)
]
where:
α = characteristic life
β(x) = an age-dependent exponent describing how sharply survival declines with age
They show that β(x) becomes more “negatively curved” at extreme ages, which creates the maximum survival tendency—a universal biological effect that pushes death rates down but eventually forces an upper limit.
They model β(x) with a quadratic equation, allowing them to calculate a point called q, the “upper x-intercept,” from which lifespan limits can be predicted.
3. Data Used
They analyze Swedish female survival data (1977–2007)—the most reliable long-term demographic dataset—and verify the method across 31 industrialized countries worldwide.
4. The Key Result: The Lifespan Limit ≈ 125 Years
The model reveals a strong linear relationship between the q parameter and the predicted lifespan limit ω across countries:
𝜔
=
0.458
𝑞
+
54.241
ω=0.458q+54.241
Using this, they find:
In multiple modern countries, maximum lifespan values cluster around 122–130 years.
The predicted global human lifespan limit is ~125 years, matching known records (e.g., Jeanne Calment’s 122.45 years).
For Swedish women, the predicted limit approaches 125 years in the most recent decade.
5. Implications
The study concludes:
Human lifespan is likely approaching a true biological limit.
Survival curves show increasing compression near the limit—more people live close to the maximum age, but very few can surpass it.
Anti-aging technologies might allow more people to reach the limit, but probably cannot exceed it significantly.
The findings support existing biological theories that propose genetic and physiological ceilings to human longevity.
The authors also warn of rising social, medical, and economic challenges as populations age toward this limit.
6. Verification and Strength of the Model
The authors validate the model through:
Mathematical consistency checks
Mortality pattern simulations
High correlation (r² ≥ 0.95–0.99) between model predictions and real demographic data
This shows the model reliably captures the dynamics of human aging.... |
| dataset_meta |
{"input_type": "file", "source {"input_type": "file", "source": "/home/sid/tuning/finetune/backend/output/hwxterdf-6513/data/document.pdf", "num_examples": 72, "bad_lines": 0}... |
| dataset_path |
/home/sid/tuning/finetune/backend/output/hwxterdf- /home/sid/tuning/finetune/backend/output/hwxterdf-6513/data/hwxterdf-6513.json... |
| training_output |
null |
| status |
completed |
| created_at |
1764874844 |
| updated_at |
1764876484 |
| source_adapter_path |
NULL |
| adapter_path |
/home/sid/tuning/finetune/backend/output/hwxterdf- /home/sid/tuning/finetune/backend/output/hwxterdf-6513/adapter... |
| plugged_in |
False |