Uncover the biology of eye closure, from physical protection and hydration to the sensory experiences and complex neurological shifts that govern sleep.
Learn the science behind HCG. For men, a positive pregnancy test is a critical, rare indicator of potential HCG-producing tumors that requires medical action.
Investigate the serious risk of hydroxyzine overdose. Learn how toxicity is reached, recognize critical CNS and cardiac symptoms, and know the urgent medical response.
Explore the multi-factorial nature of disease. We define complex conditions, analyze the critical gene-environment interplay, and explain why research remains challenging.