Robert D. Meade
@robertdmeade
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Research Fellow @HarvardChanSPH @HarvardSalata | Environmental physiology, epidemiology, and health 🌡☀️🔥 | Views my own 👀 🇨🇦
Boston, MA, USA
Joined April 2017
A critical review of the effectiveness of electric fans as a personal cooling intervention in hot weather and heatwaves out now in @TheLancetPlanet!! 🥵☀️🔥.@seannotley @nathaliekirby @HEPRU_uOttawa .
thelancet.com
Health agencies worldwide have historically cautioned that electric fans accelerate body-heat gain during hot weather and heatwaves (typically in air temperatures ≥35°C). However, guidance published...
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RT @HEPRU_uOttawa: Our lab is seeking highly motivated #PostDoc to lead major studies on the impacts of heat extremes on the public and wor….
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RT @PaulHBeckwith: New study validates lower limits of human heat tolerance” 31 March 2025 ; University of Ottawa . .
uottawa.ca
A study from the University of Ottawa’s Human and Environmental Physiology Research Unit (HEPRU) has confirmed that the limits for human thermoregulation—our ability to maintain a stable body...
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RT @rezakbouchama: Whole genome transcriptomic profiling reveals distinct sex-specific responses to heat stroke | Journal of Applied Physio….
journals.physiology.org
Heat-related mortality remains health challenges exacerbated by climate change, with sex-based differences in outcomes, yet underlying mechanisms remain poorly understood. This study examined...
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RT @HEPRU_uOttawa: Our latest daylong heat exposure trial – Validating new limits for human thermoregulation – is out today in @PNAS. @robe….
pnas.org
Recent projections suggest that large geographical areas will soon experience heat and humidity exceeding limits for human thermoregulation. The su...
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RT @ThePrintIndia: 'How heat affects informal women workers—loss of income, skin infections, domestic violence'. Robert D Meade @robertdmea….
theprint.in
Emerging population data have linked elevated temperatures with declines in mental health and increased violence and self-harm.
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RT @DaalenKim: 🚨📰 Incredible new @NatureComms paper by Meade et al. in which they synthesize the findings from over 400 laboratory-based he….
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RT @uOttawaMedia: 🌡️❤️ Repenser les effets de la chaleur sur la santé cardiaque ! Une nouvelle étude révèle des informations essentielles s….
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RT @uOttawaMedia: 🌡️❤️ Rethinking how heat affects heart health! A new study reveals critical insights into heart function during extreme h….
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RT @nathaliekirby: Our paper, "Brain-derived neurotrophic factor response to daylong exposure to extreme heat in young and older adults: a….
cdnsciencepub.com
Brain-derived neurotrophic factor (BDNF) is a growth factor associated with a range of neurological, cardioprotective, and metabolic health benefits. While passive heat stress has been observed to...
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RT @DebevecTadej: New in @NatureComms . Meta-analysis of heat-induced changes in cardiac function from over 400 laboratory-based heat expos….
nature.com
Nature Communications - Understanding heat-induced changes in cardiac function has come primarily from laboratory studies employing encapsulated, water-based heating modalities. Here, the authors...
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RT @kiwiheatlab: New in @NatureComms from @robertdmeade and all-star cast 🤩:. Meta-analysis of heat-induced changes in cardiac function fro….
nature.com
Nature Communications - Understanding heat-induced changes in cardiac function has come primarily from laboratory studies employing encapsulated, water-based heating modalities. Here, the authors...
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RT @HEPRU_uOttawa: New Publication🚨 Our paper titled “Knowledge, Awareness, Practices, and Perceptions of Risk and Responsibility Related t….
journals.lww.com
rnings and heat alert and response systems in initiating heat mitigating practices, and (4) opinions of community preparedness among heat-vulnerable older adults, as well as explore factors that may...
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Another thermal phys must read by @duncanwits, @AndreaFuller06, and team.
The next in our series on revisiting concepts of thermal physiology, expertly driven by @duncanwits - what does set-point really mean, how does negative feedback operate?
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RT @IntegrPhysLab: Please share: Postdoc position available for 3 years to help determine indoor heat thresholds. Looking for a candidate w….
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RT @YumingGuo007: With @mccstudy and global experts, we estimated that landscape fire smoke was associated with 1.5 million deaths annually….
thelancet.com
LFS air pollution induced a substantial global mortality burden, with notable geographical and socioeconomic disparities. Urgent actions are required to address such substantial health impact and the...
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RT @HEPRU_uOttawa: New article out in @JAMA_current titled: "Effect of electric fans on body core temperature in older adults exposed to ex….
jamanetwork.com
This study assessed whether electric fans limit core temperature increases in adults aged 65 to 85 years exposed to conditions similar to those experienced in homes during heat waves in North America.
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RT @DenisPBlondin: Worth reading the excellent work from @ollie_jay13 @IntegrPhysLab @GeorgiaKatec. and. @robertd….
nejm.org
In this crossover trial in older adults with or without coronary artery disease, cardiac strain was reduced with fan use, skin wetting, or both in hot and humid conditions but worsened with fan use...
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RT @IntegrPhysLab: Great to see thermal physiology in the spotlight! @ollie_jay13 @robertdmeade . When is it too hot to use a fan? | Scienc….
science.org
Climate chamber experiments in older people offer conflicting answers
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RT @HEPRU_uOttawa: Check out our new publication in @APNMjournal titled: "The effect of foot immersion and neck cooling on cardiac autonomi….
cdnsciencepub.com
Foot immersion and neck cooling are recommended cooling strategies for protecting heat-vulnerable persons during heat waves. While we recently showed that these strategies do not limit core tempera...
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