The reliability of results may be affected by including case-control studies, which are considered non-randomised studies (NRS)
Using a Mendelian randomization approach, we tested the hypothesis that smoking protects against ulcerative colitis and is a cause of Crohns disease
The air purifier has a 6-stage filtration process that includes a washable pre-filter that should be cleaned every 3 months
Former Cincinnati Reds' Pete Rose prepares to enter the Marge Schott Parish Center where for the visitation of fomer Cincinnati Reds limited owner Marge Schott, Saturday, March 6, 2004 in Cincinnati
The Centers for Disease Control and Prevention (CDC) has reported 1,604 cases of e-cigarette, or vaping, product use associated lung injury from 49 states (all except Alaska), the District of Columbia, and 1 U.S