Cialis (tadalafil) facts. Cialis is the trade name for a drug called Tadalafil. Cialis is one of a class of drugs known as PDE-5 (Phosphodiesterase type 5) inhibitors. Cialis and the other PDE-5 inhibitors can help men with erectile dysfunction (male impotence) by enhancing the erectile response when a man is sexually stimulated. Aside from Cialis, the other drugs in this class are Viagra (Sildenafil) and Levitra (Vardenafil).
Epilepsy: A condition that occurs due to some permanent damage to the brain that then irritates the area making a person suffer from epileptic seizures. This irritation causes the brain to send out abnormal signals which can be, in some cases excessive yawning. Again a rare cause for excessive yawning. If you suffer from the problem, it is best you get a complete analysis. According to a study, yawning may be associated with a number of brain related ailments and may be seen in patients with this existing condition and may occur after a seizure [4].
The earliest theory of yawning, laid forth by Hippocrates, suggested that the action sucks in good air while pushing out bad air. That isn't too far off from the theory that dominated the last century, which is that yawning delivers an extra hit of energy-boosting oxygen while helping usher out carbon dioxide.