• Accounting for bias is a major challenge confronting the use of observational data to gain important insights into real-world treatment effects. • No single study design will satisfy all information ...

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, ...

Researchers in Denmark have found that girls whose mothers took paracetamol during pregnancy had smaller ovaries, fewer ...

Weight-loss drug users who regained weight had 4.2 times higher odds of suicidal ideation, according to a study analyzing data from over 27,000 adults.

In a cross-sectional study of 808 Brazilian adults planning to attend ayahuasca ceremonies, greater prior experience with the ...

• Greater rigor is needed in the use of observational methods; even the best methods used incorrectly will yield bad results. (Goodman) • No one method is infallible, multiple methods are needed to ...