According to the Alzheimer's Association, almost two-thirds of all Americans living with Alzheimer's disease are women. With this in mind, three Richmond friends — Claire Herring, Gemma Brooks and Laura Howard — launched a website designed to guard against the disease. "There's a lot of new research right now that says that playing brain games can have improvements that transfer over to your daily life," says Herring, a speech-language pathologist. The subscription-based site includes daily brain teasers and drawing exercises to inspire better concentration, reasoning and verbal fluency. For more information, visit daisybrains.com .