* Can being tired cause dizziness?

Can being tired, particularly extreme or prolonged fatigue from lack of sleep, overexertion, or an underlying medical condition, cause dizziness or feelings of lightheadedness? I’m wondering if there’s a physiological mechanism that connects fatigue to balance and spatial awareness, or…

What is xylitol?

What is xylitol? I understand it’s used as a sugar substitute, but I’m curious about the details. Specifically, what is its chemical composition and how is it different from regular sugar (sucrose) or other sugar alcohols? Where does xylitol come…

How is head lice spread?

How is head lice spread, specifically, can you detail the common misconceptions about head lice transmission (like jumping or flying) and clarify the actual mechanisms, emphasizing the role of direct head-to-head contact, and also address the lesser-known methods such as…

Do diapers expire?

Do disposable diapers, specifically unopened packages stored in a climate-controlled environment (around 70 degrees Fahrenheit and 50% humidity), have an expiration date or a limited shelf life regarding their absorbency, effectiveness in containing waste, or safety for a baby’s skin?…