New Delhi, Nov. 24 -- Cold mornings and freezing nights often leave many of us depending on room heaters for comfort. With temperatures dropping across northern India, heaters are quickly becoming a daily essential again. But while they offer relief, using them without care can quietly harm your health and even put you at risk.

Many experts warn that heaters are only safe when used correctly. A study once noted several cases of carbon monoxide-related deaths over multiple years, most of which happened in winter. While the number may not seem huge, it's enough to remind us that small mistakes around heating devices can turn serious.

Most heaters reduce moisture in the room, which dries out the air. When humidity drops, your skin may beco...