What Causes Chest Pain? Chest pain is a common symptom of many heart problems, including: Coronary artery disease, which happens when cholesterol builds up on the walls of your arteries. Heart attack, which happens when blood flow to your heart is blocked and its cells canât get the blood and oxygen they need to pump. Chest pain is a very common symptom; if you think you or someone else is having a heart attack, call 9-1-1 right away. Heart rhythm problems, where your heart beats too fast, too slow, or in an irregular way. Heart valve problems, which can happen when your valves become narrow or leak.
The pineal gland is located deep in the brain in an area called the epithalamus,where the two halves of the brain join. In humans, this is situated in the middle of the brain; it sits in a groove just above the thalamus which is an area that co-ordinates a variety of functions related to our senses. The pineal gland contains high levels of calcium and can be used by radiographers to mark the middle of the brain in X-ray images.
It is the hormone produced by the pineal gland that also acts as a neurotransmitter. It basically controls the sleep-wake cycle. It is also associated with controlling mood and sexual behavior. The production of melatonin is dependent on light.t is the hormone produced by the pineal gland that also acts as a neurotransmitter. It basically controls the sleep-wake cycle. It is also associated with controlling mood and sexual behavior. The production of melatonin is dependent on light.