Senseless

The sense of smell is powerful and primitive, but prone to manipulation. In today's world, asking ourselves 'what is real?' seems urgent. Las Vegas casinos pump pleasant ambient scents into the air to entice gamblers to stay longer and drop more money.   Olfactory masks, such as perfume or scented lotion, are commonly used to create a desired smell while covering up natural body aroma. How much can we rely on our olfactory system to sense truth in today's world?