Vitamin K injection at birth is a supplement recommended by American Academy of Pediatrics. Vitamin K can't be synthesized or absorbed by infants like it can in adults but plays a crucial role in blood clotting. Some parents have questions about providing a injected supplement to their hours old infant. This comprehensive review sums up the research and lists the risks and benefits of vitamin k injection, oral vitamin k, and foregoing the supplement.

http://evidencebasedbirth.com/evidence-for-the-vitamin-k-shot-in-newborns/

A healthy baby, toddler, kid, and teen has a much higher likelihood of growing into an all-around healthy adult!  Explore the art of cooking, the science of nutrition, and how you can bring them together to make great food for your little one so they can grow up healthy and strong.  

Despite differing opinions on the efficacy and safety of water births...

"Carefully managed, waterbirth is both an attractive and low-risk birth option that can provide healthy patients with non-pharmacological options in hospital facilities while not compromising their safety."

http://www.scienceandsensibility.org/?p=8088