Americans raise concerns about Hillary Clinton's health status....See their tweets.

A photo of Hillary Clinton’s hands is circulating on social media and causing growing concern about the status of Mrs. Clinton’s health. Many observers note the bluish tint of her fingernails — a sign of hypoxia or poor oxygen supply reaching her extremities. They described Hillary as a sickly 69-year-old presidential candidate who avoids press conferences because she’s afraid of questions about her health Click here to see their debate.