indoor air quality

Health & Medicine

Is Incense Bad for You? Health Risks & Safety Guide from a Candle Shop Owner

A candle shop owner reveals surprising truths about incense dangers. Learn about PM2.5 pollution, chemical risks, safer brands, and 5 expert safety rules for cleaner burning.
Technology

When to Use a Humidifier: Clear Signs, Humidity Sweet Spot & Key Mistakes (2025 Guide)

Definitive guide on when to use a humidifier for health and home. Learn humidity sweet spot (40-50% RH), clear warning signs, type comparisons, and critical mistakes to avoid. Evidence-based advice with hygrometer data.