Despite years of research, there's still no conclusive proof cell phone radiation causes cancer and other health problems in the brain.

CNN: John D. Sutter

The stakes are high: if we do not solve this problem, many among America's next generation will face diabetes, heart disease, cancer, and other health problems associated with obesity.

WHITEHOUSE: The White House

Night shift workers are far more prone to having sleep disorders, gastrointestinal disorders, metabolic problems, cancer, diabetes, depression and a number of other health problems.

BBC: The cities that never sleep