I need a letter
about the benefits of reading
and the importance of it

Mental Stimulation, Studies have shown that staying mentally stimulated can slow the progress of (or possibly even prevent) Alzheimer’s and Dementia,[1] since keeping your brain active and engaged prevents it from losing power.

Just like any other muscle in the body, the brain requires exercise to keep it strong and healthy, so the phrase “use it or lose it” is particularly apt when it comes to your mind. Doing puzzles and playing games such as chess have also been found to be helpful with cognitive stimulation.[2]

Stress Reduction, No matter how much stress you have at work, in your personal relationships, or countless other issues faced in daily life, it all just slips away when you lose yourself in a great story. A well-written novel can transport you to other realms, while an engaging article will distract you and keep you in the present moment, letting tensions drain away and allowing you to relax. An can reading has been shown to improve memory

Explanation:

the answer is   b suffix addition