: Dr. David Niven pulls data from academic journals by sociologists, psychologists, and psychiatrists that are usually inaccessible to the general public.

This bestselling guide condenses findings from more than 1,000 scientific studies into 365 daily, bite-sized pieces of practical advice to improve your body, mind, and finances. 💡 Key Highlights of the Book

: It provides a manageable, actionable piece of advice for every single day of the year.

If you are looking to get a copy, several retailers offer it: : Available in paperback for $11.48.

The direct answer to your query is that you are referring to the book by Dr. David Niven.