Assertion: beta blocker | /r/CapableOf | aggeravate bronchial constriction
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text: For instance, Asthma patients are contraindicated for beta blockers as beta blockers may aggeravate bronchial constriction and so those with asthma definitely need a drug that is made up of natural products and do not have side effects or at least effects that are life-threatening or the ones that get far too serious.