A. The SwabTest DNA paternity test is fast, simple, and painless. DNA is collected using special swabs called buccal swabs.. The buccal swabs are rubbed gently on the inner cheek inside the mouth to collect DNA. Buccal swabs are painless and can be used to collect samples from individuals at any age. Back to Top.
Head trauma . Injury is the most common cause of bleeding in the brain for those younger than age 50. High blood pressure . This chronic condition can, over a long period of time, weaken blood vessel walls. Untreated high blood pressure is a major preventable cause of brain hemorrhages.
Causes. A stroke occurs when the blood supply to your brain is interrupted or reduced. This deprives your brain of oxygen and nutrients, which can cause your brain cells to die. A stroke may be caused by a blocked artery (ischemic stroke) or the leaking or bursting of a blood vessel (hemorrhagic stroke).auses. A stroke occurs when the blood supply to your brain is interrupted or reduced. This deprives your brain of oxygen and nutrients, which can cause your brain cells to die. A stroke may be caused by a blocked artery (ischemic stroke) or the leaking or bursting of a blood vessel (hemorrhagic stroke).