i want to share my experience in this post that i was not exercising till last year and i was so lazy in the office time during the whole day and my mood was always hard and i was fighting with every one in short you can say i was just a beast by my mentel level and lazy by my physical condition, but you can not imagine fro the 6 months i daily wake up early in the morning and i perform my yoga for 1 hour continuosly in my lawn , and than i go to my office you can not imagine now my productivity in more than my expections over the 6 months and im now friendly with every one automatically and i always stay in a good and romantic mood with all and sopecially with my husand by lloking at your post i can say easily that yes you are right execise is good for our mental and physical health , thanks for pointing this issue on steemit , keep it up