Industrial Robotics Market to Reach US$44.48 Billion by 2020 Owing to Rising Popularity of Industrial Automation. A recently released report from Transparency Market Research (TMR) forecasts that the global industrial robotics market will grow at a CAGR of 6.2% between 2014 and 2020.
Cluster headache: Symptoms. Symptoms of a cluster headache include a severe and recurring headache that occurs on one side of the head and is often focused in and around the eye. Cluster headaches generally start suddenly and occur in clusters of episodes that recur over days or weeks. Each episode can last from 15 minutes to several hours.
Other types of headaches: 1  Cluster headaches are sharp, very painful headaches that tend to occur several times a day for months, then go away for a similar period of time. 2  Sinus headaches cause pain in the front of your head and face. They are due to swelling in the sinus passages behind the cheeks, nose, and eyes. The pain tends to be worse when you bend forward and when you first wake up in the morning. Headaches may occur if you have a cold, the flu, a fever, or premenstrual syndrome.