Humans need newness and the unexpected to keep the dopamine receptors pumping out "feel good" neurochemicals.
Anything that stimulates opioid receptors and makes you feel pleasant must be very dangerous, so we shouldn't take any chances.
Because the brain lacks pain receptors, the mouse felt no discomfort from the fiber optic, the scientists said, although it looked a tad confused.
These drugs are not just blocking pain receptors so you don't feel pain; they are having powerful systemic effects on people, You also make the point that these drugs can actually lead to more pain.
These drugs are not just blocking pain receptors so you don't feel pain.
When these roving histamine molecules attach to receptors on nearby nerve cells, you feel an itch or a sneeze or a scratchy, ticklish palate.
In layman's terms, the research undertaken looked at "hunger hormones" and their receptors, which determine how hungry we feel.
Sometimes pain receptors are so sensitized that you may feel burning pain with light touch only.
These chemicals work with the receptors in your brain to trigger a "feel good" response in your body.
Chewing a gum that contains menthol can help to activate the cold-sensitive receptors on your tongue, making your tongue feel nice and cool.
It's a rush that wipes away all those aches and floods our feel-good receptors in our brains.
