Sunspots Sunspots are dark areas that appear on the surface of the Sun. They are caused by strong magnetic activity within the Sun. Sunspots are not permanent and they can move slowly across the surface of Sun changing size as they move. The appearance of sunspots follows the solar cycle of eleven years. Every eleven years there will be a period of increased sunspot activity.
A heart palpitation is an abnormal beating of the heart AND your heightened awareness of your heart beat. Palpitations can cause your heart to beat fast (tachycardia), slow (bradycardia), flutter, or to even have âskippedâ heart beats (PVCs). Heart palpitations can be caused by electrolyte imbalances, adrenaline, anemia, heart disease, arrhythmias, hypoglycemia (low blood sugar), and of course, anxiety disorders. There are more causes, but the ones listed are common.
Well, say that youâre sitting at your desk and get a quick twinge of chest pain and notice your pulse racing. It may not even be a lot, but just enough to make you worry about what it could mean. This is when you start questioning the health of your heart. Your stress turns into worry, which causes anxiety. Now, your limbic system (emotional brain) kicks in and excites the nerves of your heart, so your heart speeds up even more. Thatâs âemotion basedâ tachycardia. A strong emotional reaction can indeed cause tachycardia. Itâs normal, and absent disease, isnât dangerous.