Learn if anesthesia causes ED. We explain the difference between temporary drug effects and persistent dysfunction caused by surgical trauma or systemic stress.
Understand the critical difference between food and fluid intake when an elderly person declines. Learn the expected survival timelines and comfort care methods.
Discover the biological basis and molecular methods behind tissue typing, the essential process for matching donors and recipients for transplantation.
Detailed guide to biomass extraction science. Learn about the multi-stage processes—from mechanical preparation to advanced thermal, chemical, and biochemical conversion.