Dopamine Deficiency Causes

What is dopamine? Dopamine is a hormone release by our brain to gives us pleasure, while doing our fav works. Why dopamine Deficiency? The red Color marked part of our brain is known as basal ganglia. Basal ganglia produce the dopamine to make it spread over different part of your body. General in 60 or 65+ aged person, the cells of basal ganglia which produces dopamine are started getting died, as a result the dopamine level of in the body of that person decreases, and it lead a 'dopamine Deficiency'. What if lack of dopamine? (Mentally) Just imagine your doing any work and may think you get rewarded after finishing that work. But what if you can't get any think instead of your work. you feel very bad. Same with us whenever we did something like Playing games, watching jokes, masterbushinngg, etc we fell happy because our brain reward us by Dopamine. But when there is no dopamine we can't feel happy by doing any activity. this may cause >less motivation >Stress ...