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In a new study, researchers have made insights into how the blood-brain barrier, or BBB, is maintained, identifying a protein key to the process. Delivering this protein to mice with the rodent equivalent of MS improved their symptoms.

Bedbugs are a growing public health issue in the United States and around the world, but their resurgence in recent years may have been aided by humans who unwittingly helped the pests evolve numerous ways of thwarting a common insecticide, scientists say.

The announcement comes about a week after the state's first case of measles of the year was confirmed. Cook County health officials would only identify the person with measles as a suburban resident who is older than 18. At the time, officials listed three places where others might have come into contact with the measles patient in mid-January - including two in Palatine.