Today’s Solutions: December 19, 2025

We all know that exercising improves our cardiovascular and physical health, but researchers have now discovered that it can also help prevent neurodegenerative diseases like Alzheimer’s. The study suggests that, when exercising, our body induces a hormone called irisin, which may improve brain plasticity and memory. The hormone, which is released by muscles during exertion, is significantly reduced in the hippocampus and central nervous system of late-stage human Alzheimer’s disease patients.

Solutions News Source Print this article
More of Today's Solutions

New method uses sound waves to map soil health, stop famine, and restore farm...

BY THE OPTIMIST DAILY EDITORIAL TEAM Across the world, soil scientists are trading in their shovels for something unexpected: seismic sensors. In a breakthrough ...

Read More

This simple 15-minute mindset exercise can ease anxiety, science shows

BY THE OPTIMIST DAILY EDITORIAL TEAM A growing body of research is revealing how a short, simple activity that is done in just 15 ...

Read More

3 habits of the happiest people

Think of the happiest people you know. Do you find yourself often wondering what they are doing to maintain a general level of joy? ...

Read More

Changemakers of the week: GRuB and SparkNJ

Every day on the Optimist Daily, we report on solutions from around the world. Though we love solutions big and small, the ones that ...

Read More