Math puzzles are a type of brain teaser that tests the reader's critical thinking and problem-solving skills. These ...

An analysis of more than 70 studies on fluoride and IQ levels concluded there was a relationship ... of the studies were noted as having a “high risk of bias.” The meta-analysis published ...

(CNN) – Being exposed to high levels of fluoride could impact intelligence. According to a new government survey, fluoride levels in children’s urine were measured. They reported a drop in IQ ...

Anti-fluoridation activists gain powerful allies in Robert F. Kennedy Jr. and a court win against the EPA, to the dismay of public health leaders.

Cannabis destroys brain power and lowers IQ, a study has found. The drug is already known to slow reaction times, block memory and cause panic attacks, drowsiness, confusion and hallucinations.

THIS is the brainteaser that challenges you to use your cat-like reflexes to spot the kitty who has a uniquely shaped nose.

(CNN) – Being exposed to high levels of fluoride could impact intelligence. According to a new government survey, fluoride levels in children’s urine were measured. They reported a drop in IQ scores ...