I know they help us digest food and make vitamin k, protect us from pathogenic bacteria and fungi. May be more.
Answer:
THEIR INABILITY TO CROSS THE BLOOD-BRAIN BARRIER AT THERAPEUTIC LEVELS.
Explanation:
Second-generation antihistamines (e.g., loratadine, terfenadine) lack the ability to pass through the blood-brain barrier at certain therapeutic levels.
Answer:
dddss
Explanation:
wd the nadser for that is b becuase it is in the ?