Repeating positive affirmations might give you a quick dopamine hit. Dopamine is the hormone linked to pleasure and reward, and can help us feel in control and competent. But the desire to always feel ...

Pew Research Center is a nonpartisan, nonadvocacy fact tank that informs the public about the issues, attitudes and trends shaping the world.

A US study published in PLOS Medicine looks at air pollution as a risk factor for Alzheimer’s Disease. Prof Matt Loxham, Professor of Respiratory Biology & Toxicology, University of Southampton, said: ...