What is the point of having an incomplete blood-brain barrier in places?

Q. We know that the BBB is like a moat for the brain, which allows for protection from pathogens. However if a pathogen gets into the brain, there's not way for it to get out. So why is the BBB incomplete in some areas of the brain?

A. Creutzfeldt-Jakob disease

What are the top 5 problems that we encounter in a depressed or squatter's area?

Q. Please site 5 creative problem that the place needs to have or wish to have. I am doing a feasibility study and I still lack 3 more CREATIVE Problems that we can help in reaching out to these people. Thanks. Hope you help me!

A. poverty
disease
crime
family violence
child neglect/abuse
!!~!

What diseases can be contracted in Majorca that give rise to critical blood infections?

Q. My sister-in-law now in her 81st year enjoys good health, despite a lifelong history of asthma. Last year she holidayed in Majorca but now she has some unknown mystery blood infection that has put her in ITU- any thoughts?

A. Legionnaires Disease
http://www.q-net.net.au/~legion/Legionnaires_Disease_Unusual_Cases.htm

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Post Title : What is the point of having an incomplete blood-brain barrier in places?

What is the point of having an incomplete blood-brain barrier in places?,

disease,

What is the point of having an incomplete blood-brain barrier in places?