The start of a new year always carries a special kind of energy. It’s a fresh page, a reset button, a chance to step into healthier habits and leave behind what no longer serves us. For many of us, that means rethinking how we live day to day—especially when it comes to reducing exposure to harmful chemicals and building a healthier home.

Candles are more than light and fragrance — they create mood, ritual and comfort. Yet as ordinary and lovely as candlelight is, burning anything produces particles and gases that affect indoor air quality. This guide explains which compounds can come from candles, what the science says about health risks, and practical, positive steps you can take to keep the cozy vibes while reducing exposure.

What do embalming fluid, your go‑to lipstick, and the floor beneath your feet all share?   They can all release formaldehyde—yes, the very same chemical. And it doesn’t stop there: your gym leggings might be laced with hidden toxins, while that dusty bookshelf could be hiding microplastics. Shocking? You’re definitely not alone. That’s why we’ve pulled together 15 surprising facts you probably never knew—plus simple, practical tips to help you cut down your exposure.