Fact-check analysisVerified as of August 4, 2025Curated by FactVerify
Mostly True

According to recent research the human lifespan is mostly determined by the environment. Genes may become more of an influence with age

Recent research supports that the human lifespan is influenced significantly by environmental factors, while genetic factors tend to have a growing influence as individuals age.

'Hibernation genes' help control metabolism and feeding — and could hold untapped benefit for humans - Live Science

'Hibernation genes' help control metabolism and feeding — and could hold untapped benefit for humans - Live Science

Source: livescience.com

At a glance

Key Evidence

Verified August 4, 2025
The reporting

What the Evidence Shows

Scientific consensus indicates that both genetics and environment contribute to human lifespan, but their relative influence varies over time. Environmental factors such as lifestyle, diet, exposure to toxins, and healthcare access play a dominant role in determining lifespan during early and mid-life stages.

However, as people age, genetic predispositions related to metabolism, disease susceptibility, and cellular repair mechanisms become more prominent in influencing longevity. Recent studies on genes related to metabolism and aging processes suggest that certain genetic factors may become increasingly important in older adults. This aligns with the claim that genes may exert more influence with age.

While the environment largely shapes overall lifespan outcomes, the interplay with genetics is complex and dynamic throughout life.

Primary trail

Verified Sources4

Humans may have hibernation ‘superpowers’ in untapped genes, scientists say

the-independent.com
Open source

'Hibernation genes' help control metabolism and feeding — and could hold...

livescience.com
Open source
Keep exploring

Where to go next

Continue with the evidence, catch up on the week, or save this check for later.

Share or return