Waterfront Media, a New York-based online health media company, has raised $20 million in fifth-round funding, according to a regulatory filing. No investor information was disclosed. The company had previously raised around $42 million in venture capital and debt funding from Scale Venture Partners, Foundation Capital, Rho Ventures, Time Warner Ventures, BEV Capital, Neocarta Ventures and Hercules Technology Growth Capital. www.waterfrontmedia.com