Inlymph nodes (a) , spleen (b) and the Peyerâspatches of the small intestine (c) , the B cellzones are seen as defined follicles; functionallyequivalent areas, not all as well defined, arefound in all mucosal lymphoid tissues.Proliferating B cells are concentrated in thegerminal centers.
1 Improve Brain Health â A study conducted in 2003 discovered that drinking whiskey reduces your risk of Alzheimerâs and dementia. 2  If youâre worried that your brain is slowing down in your old age, itâs time to start drinking whiskey to protect your very important organ from damage.
Facing Addiction in America: The Surgeon Generalâs Report on Alcohol, Drugs, and Health. The first Surgeon Generalâs Report on the prevention, treatment, and recovery of substance misuse and substance use disorders. Learn More. The Healthy Aging in Action (HAIA) report identifies specific actions for healthy aging that are continuing to improve health and well-being in later life.