Water fluoridation is one of the 10 greatest public health achievements of the 20th century, as it helps to prevent tooth ...

Feeling persistently sad and wanting to remain indoors for over two weeks could indicate seasonal affective disorder (SAD), ...

A look back at the horrible loss of life. By Hannah Beech A global crackdown on fentanyl has led cartels to innovate production methods and test their risky formulas on people, as well as ...