What are common challenges to biomedical research?

• A. Ethical considerations, regulatory compliance, and balancing advancement with animal welfare
• B. Increasing the number of animals used to improve statistical power
• C. Eliminating oversight entirely
• D. Focusing exclusively on computational methods

Answer: (A)

Balancing scientific advancement with responsible animal care is a central challenge in biomedical research. Ethical considerations require researchers to justify the use of animals, minimize suffering, and seek alternatives whenever possible. Regulatory compliance means studies must meet laws, guidelines, and institutional oversight, which helps protect animals and ensure data integrity. Together, these pressures shape how experiments are designed, conducted, and reported, driving practices like the 3Rs—Replacement, Reduction, and Refinement—to use fewer animals, use them more humanely, and obtain clearer answers. This interplay is what makes ethical, regulatory, and welfare concerns such pervasive hurdles across many projects. Increasing the number of animals to boost statistical power runs counter to these aims and is generally discouraged; eliminating oversight would be unsafe and illegal; and focusing exclusively on computational methods ignores the ongoing need to integrate or replace animal work with appropriate approaches and to navigate the associated ethical and regulatory landscape.