Are there any peer reviewed scientific studies of the benefits? I'd prefer to read them than marketing bullshit from manufacturers (FWIW I work in marketing and we'd never use scientific studies to back up our arguments unless they agreed with what we wanted to say).
Are there any peer reviewed scientific studies of the benefits? I'd prefer to read them than marketing bullshit from manufacturers (FWIW I work in marketing and we'd never use scientific studies to back up our arguments unless they agreed with what we wanted to say).