Virus plus microplastics equal double whammy for fish health

Massive health-record review links viral illnesses to brain disease. Study ties common viruses such as flu to Alzheimer’s and other conditions — but the analysis has limitations, researchers warn.

Six minutes of high-intensity exercise vital for brain health, study says

New research examined the link between self-esteem and COVID-19 prevention efforts: People with chronic or temporarily induced low self-esteem report a lower willingness to engage in COVID-19 prevention behaviors because they lack motivation to protect their health.