Some types of brain studies need thousands of participants to be reliable Researchers split up a big, reliable data set to find out where things go wrong.

A Chinese study finds that consuming 20 to 40 grams per day of cruciferous vegetables like broccoli, kale and cauliflower ...

A new study suggests that transdermal estradiol (patches or gels) may have different memory effects than oral estradiol when ...

As well as phase 1, 2 and 3 trials, other types of trials include pilot studies, feasibility studies and observational studies.

A new study of COVID-19, based on data from a symptom tracker app, determined that there are six distinct "types" of the disease involving different clusters of symptoms. The discovery could ...

There are many different types of observational studies, but here are the four most common that you need to know about: cross-sectional surveys, cohort studies, case-control studies, and case reports.

Using the Mediterranean diet, exercise and nutritional support, severely overweight people stopped their progression to type ...

Six subtypes of major depression have been identified in a new study. Here’s what that could mean for the future of personalized mental health care.

A new study examines the relationship between the type of music you listen to and your productivity on certain tasks.

In so doing, I shall present the methods employed in Natural History on a wider scale and with broader generalizations than if I limited myself to the study as it exists to-day.