Neuroscience

Scientists shed light on how brains turn pain up or down

Pain perception is essential for survival, but how much something hurts can sometimes be amplified or suppressed: for example, soldiers who sustain an injury in battle often recall not feeling anything at the time.

Addiction

Mapping international drug use by looking at wastewater

Wastewater-based epidemiology is a rapidly developing scientific discipline with the potential for monitoring close to real-time, population-level trends in illicit drug use. By sampling a known source of wastewater, such ...

HIV & AIDS

Determinants of employability of people living with HIV/AIDS

People living with HIV/AIDS may face discrimination in employers' hiring practices. A study published in the American Journal of Industrial Medicine found that medical and socioeconomic factors may hinder their employment.