We were unable to process your request. Please try again later. If you continue to have this issue please contact [email protected]. A test-negative observational study design may be best ...

Medical research is essential for advancing the understanding of health, diseases, and treatments. There are many types of studies that serve different purposes. Medical research, or health research, ...

Clinical trials are well-controlled and designed experiments that aim to prove that an Investigational Medicinal Product (IMP) is effective. Clinical trial data is submitted to the national health ...

RCTs are considered the best way to determine whether a treatment is effective, and the reason is simple: researchers can hold all other variables constant across groups and study what happens when ...

Background: Ongoing breast cancer screening programs can only be evaluated using observational study designs. Most studies have observed a reduction in breast cancer mortality, but design differences ...

Medical research shapes healthcare every day, but not all studies are created equal. Knowing the differences can help you feel more confident reading health information online and understanding what ...