health
Extreme heat more dangerous for people 60 and over than previously thought
Study finds older adults could face harmful heat stress at just 1.5C of warming above preindustrial levels
TL;DR
- Older adults (60+) face health risks from heat exposure at lower temperatures than previously believed.
- The study, published in The Lancet Public Health, highlights that older adults are more vulnerable due to physiological changes that limit their ability to cool down.
- Uncompensable heat stress (UHS) will affect larger populations for longer durations as the world warms, with older adults bearing the brunt.
- Older adults are at risk of UHS at just 1.5C of warming above preindustrial levels, compared to 4C for younger adults.
- Rising global temperatures and an increasing elderly population (projected to reach 2.1 billion by 2050) will exacerbate heat-related health problems.
- Recent UK data shows a significant rise in excess deaths during heatwaves, with older people being particularly affected.
- Extreme heat poses a patient safety issue, leading to dehydration, collapse, and worsening of existing conditions like heart and kidney disease in older individuals.