Environment

A practical guide to protecting indoor air during wildfire smoke events, covering PM2.5 health effects, DIY Corsi-Rosenthal boxes, MERV 13 HVAC filtration, clean room setup, and N95 use.

City light exposure at night, from streetlights to LED conversions to screens, is linked to melatonin suppression and disrupted sleep; here's what the research shows and how to audit and darken an urban bedroom effectively.

A clear-eyed look at microplastics research: what's been repeatedly confirmed in human tissue, what's still a single-study association, and what popular claims (like the "credit card a week" statistic) don't hold up.

A research-based guide to protecting your health while staying home during a heat wave, covering indoor temperature thresholds, fan and AC limits, home modifications, and power outage risk.

Air quality alerts don't have to derail your day. Use this AQI-based protocol to adjust exercise, ventilation, and outdoor plans safely and confidently.

Extreme heat kills over 600 Americans a year. This household checklist covers who's at risk, what to prepare, and when heat illness becomes an emergency.

A step-by-step, evidence-based framework for reducing VOCs, phthalates, flame retardants, and radon exposure at home, without letting every worry carry equal weight.

Active transportation, plant-forward eating, and home energy efficiency show measurable personal health co-benefits alongside their environmental gains, according to peer-reviewed cohort research from BMJ, JAHA, and WHO.

Indoor CO2 climbs fast in closed rooms, and research links it to slower thinking. See what the evidence actually supports, and how to fix it fast.

Indoor temperatures below 18°C are linked to higher blood pressure, worse respiratory symptoms, and a documented rise in winter deaths. Here's what the research says and how to protect your household.

A complete guide to the six measurements that actually define home air quality, PM2.5, CO2, VOCs, radon, carbon monoxide, and humidity, with healthy target ranges and the right sensor type for each.

A step-by-step, research-backed guide to arranging furniture, workspaces, and storage so daily movement becomes the easy default in any home.

A good range hood over a back burner captures about 80% of cooking emissions; the same hood over a front burner captures about half. Here's what the research shows and how to ventilate a kitchen effectively.

A research-based look at how proximity to parks, tree canopy coverage, and weekly nature contact connect to measurable outcomes like mortality, mental health, child development, and heat safety, including practical benchmarks anyone can use.

A researched look at what actually causes mould in the home, which health effects (allergy, asthma, hypersensitivity pneumonitis) are well-supported by evidence, what remains contested about "toxic mould syndrome," and clear EPA-based size thresholds for DIY versus professional remediation.

A calm, evidence-based guide to choosing cookware without panic buying, covering PFAS and PTFE breakdown temperatures, ceramic coating durability, and aluminum and cast iron leaching research.

Chronic noise exposure raises cardiovascular risk, disrupts sleep, and affects children's cognition, according to WHO and CDC/NIOSH research; here's what the guidelines say and how to reduce noise at home.