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.
Some yawns may result from blood stagnation in the brain. One of the causes of cerebral infarction is a blockage in the brain blood vessels. When this occurs, the flow of blood gets blocked, resulting in the death of tissues in the brain due to decreased amount of oxygen.