Society Capsules

Fluoride in tap water is either one of public health's great wins or mass medication without consent, depending on who you ask. These sides weigh new neurotoxicity and IQ-loss evidence, total exposure from many sources, the 0.7 mg/L level debate, and why much of Europe rejected the practice. You can weigh the science against the ethics and reach your own view.

Decades of alarm about violent games rest on research that keeps getting challenged. The findings here diverge on whether any real link to violence survives once family background and personality are controlled for, whether lab measures of aggression say anything about actual violence, and whether the big official reports hold up under scrutiny. Weigh the evidence yourself before accepting the headline version.