The sense of smell can be enhanced by eating healthy and having regular medical check up. The sense of smell usually enhances our ability to taste. The sense of smell usually affects the primitive part of our brain.
This would be a mind over matter concept. The brain is powerful.
It would depend on the gas you inhale
Sleeping is good for your brain because it is resting it. Getting enough sleep would make your brain healthy and you as well.
YES! anything that your addictive to is dangerous
No because the brain acts like the nucleus of a cell. Without it our body wouldn't function properly and it would be like if we were in a come
Including sensory details such as the sounds of birds chirping or the smell of fresh flowers in the air would enhance the richness of the passage.
No I think the smell would probally effect your pet.
Make your face smell like strawberries
The brain is important for survival because it allows you to function on a daily basis. the brain controls; sight, smell, sound, taste, touch, flexibility, emotions, ect. Without a brain, we would be like a corpse.
Psycho = brain stimulate = to excite so it would mean to stimulate or excite the brain. Good examples would be methamphetamine, amphetamine, cocaine and the like. I suppose you could also qualify anti-depressants as psychostimulants because they enhance neurotransmitters, thus increasing brain activity.
Getting a 1g stretched septum piercing, or any similar nose piercing, will not ruin your sense of smell. Brain trauma would be the most likely cause of losing your sense of smell.
Any of a variety of changes in your health. Pregnancy or a new medication being the most common and likely answers. Health issues that cause changes in hormones, as well as brain tumors can also effect your sense of taste and smell. Link below for an article covering the matter.