 Tort reform advocates, including Paul Offit, also argue that litigation has driven from the U.S. marketplace many useful and safe medical advances, including Bendectin (the withdrawal of which has led to a doubling of hospital admissions for morning sickness) and vaccines for Lyme disease and Group B Streptococcal disease, which kills one hundred infants per year.Under some interpretations of the law, a frivolous lawsuit is one that cannot reasonably be supported under existing legal precedent or under a good-faith argument for a change in the law.However, the term has a broader rhetorical definition; in political debates, "frivolous" is also used to describe tort lawsuits where there is only a remote link between the conduct of the defendant and the injuries alleged by the plaintiff or where the damages sought by the injured plaintiff are perceived to be too high for the injuries sustained.