Sentences with phrase «large prospective cohort study»

The most influential evidence came from large prospective cohort studies conducted over the past 20 years.

They used data from three large prospective cohort studies in which 210,252 participants were followed for a mean of 18.3 years, using food - frequency questionnaires to determine their alcohol consumption.

In this study, the researchers investigate whether consumption of fruits and vegetable with a higher fiber content or lower glycemic load is more strongly associated with a healthy weight than consumption of fruits and vegetables with a lower fiber content or higher glycemic load by analyzing data on weight and diet changes among US men and women enrolled in three large prospective cohort studies set up to examine risk factors for major chronic diseases.

For example, two large prospective cohort studies in the United States, the Nurses» Health Study (Fuchs et al., 1999) and the Physician's Follow - Up Study (Giovannucci, 1994) do not show a protective effect of fiber intake against colon cancer.

To evaluate the difference among various cross-sex hormone therapy regimens, they note future research should be based on large prospective cohort studies that include cisgender men and women, transgender men and women receiving cross-sex hormone therapy, and transgender men and women not receiving cross-sex hormone therapy.

According to Eva S. Schernhammer, MD, DrPH, currently Associate Professor of Medicine, Harvard Medical School, and Associate Epidemiologist, Department of Medicine, Brigham and Women's Hospital, Boston, this study «is one of the largest prospective cohort studies worldwide with a high proportion of rotating night shift workers and long follow - up time.

Austin and others believe that the only way to create meaningful envirogenomics data is through a large prospective cohort study, collecting DNA samples and information about exposure to a variety of environmental factors from half a million to a million participants and following them for a number of years.

The pill also increases your risk for inflammatory bowel diseases like Crohn's disease; in fact, two large prospective cohort studies of American women linked oral contraceptive use with Crohn's.