According to a report by the Reuters Roche Holding AG the world's largest maker of cancer drugs said that Avastin or bevacizumab which the company markets with Genentech Inc. met its prime endpoint in a phase III breast cancer trial when it was disclosed that Avastin is in fact effective for breast cancer sufferers as well. The drug is categorized as a "monoclonal antibody" and "anti-angiogenesis" and is the best-selling drug.

An allergy or hypersensitivity is an immune system overreaction to a stimulant.  People who suffer from allergy can be sensitive to more than one trigger.  Dust mites pollen pet dander or smoke are all frequent allergens. Anything from chlorine to perfume can trigger allergies in sensitive people. Some foods such as peanuts nuts seafood and shellfish can occasionally cause life-threatening allergic reactions in people.