The Federal Trade Commission has approved a final order settling the charges against marketer Brain-Pad, Inc. for allegedly deceptive claims that its mouthguards can reduce the risk of concussions.The agency also sent warning letters to 18 other marketers of anti-concussion products. The settlement also prohibits Brain-Pad and others from misrepresenting the health benefits of any mouthguard or other athletic equipment designed to protect the brain from injury.