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.
Between the clusters of headaches are pain-free times that can last months or even years. Cluster headaches affect men more frequently than women. Pain from cluster headache is typically on one side of the head and in the worst attacks the pain can be excruciating. Pain may also be bilateral and non-throbbing. There are two types of cluster headaches, episodic and chronic. This type of cluster headaches have clearly defined groups of headache attacks.