A COVID-19 vaccine won't save us, but improving our health can

Vaccines may not be the silver bullets we hope for. Kaiser Health News reports that any future COVID-19 vaccine could be much less effective among those suffering from obesity — and their ranks include more than 100 million people in the United States.

Widespread inactivity and unhealthy nutritional habits are at the root of many of our health issues, often starting as childhood obesity. According to the former chief medical officer of the American Cancer Society, obesity is about to replace tobacco as the biggest preventable cause of cancer.