Daily dose of health news: Researchers believe they've found link between high-fructose corn syrup and non-alcoholic fatty liver disease

• Researchers have created robots so small they can "travel through a patient's blood and into tumors" to deliver treatment, according to an article in Reuters. The hope, according to the piece, is to unlock the key to working with RNA to reverse disease processes.

• Infants in the U.S. aren't getting enough vitamin D and should take supplements, a government report said. As reported by the Palm Beach Post, a lack of vitamin D has been linked to diseases like cancer, type 1 diabetes and repiratory problems.

• Certain types of blood cancer could be triggered from signals in surrounding bone cells in a finding that could create new approaches for treating leukemia, researchers told Reuters.