Following are a collection of reader responses to stories or letters to the editor for the fourth week of April 2025. They have been edited slightly for readability. Got something you want to add ...

Sticking to an exercise routine is a challenge many people face. But a research team is using machine learning to uncover what keeps individuals committed to their workouts. Sticking to an ...

making it an essential part of any fitness routine. But with so many machines available, finding the right one comes down to personal goals, comfort, and what keeps you motivated. Some machines ...

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