Adhesives are disclosed which include a methacrylate copolymer, wherein the methacrylate copolymer includes at least one methacrylate monomer component and at least one acrylic or silicone monomer component, and wherein the adhesive are gamma resistant. The adhesives may include about 45% to about 49% by weight acrylic or silicone monomer component, about 45% to about 49% by weight methacrylate monomer component, and about 2% to about 10% by weight acrylic acid or 2-hydroxyethyl acrylate. The adhesives may further include at least one additive selected from the group consisting of a plasticizer, a tackifier, a cross-linking agent, an antioxidant and combinations thereof. The adhesives may be a pressure-sensitive and low trauma adhesive. Also disclosed are medical devices including the adhesives.