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Spermatogenesis is the medical term for sperm production

In animal models, intranasal administration of GHK-Cu improved cognitive functions, reduced amyloid plaques, and decreased inflammation in the brain, suggesting its potential as a therapeutic agent for Alzheimers disease and age-related cognitive decline 10

That's not a reason to panic, but it's a reason to be supervised rather than self-directing

Jan 2014;39(1):6-21

6 Social support, healthy coping skills, and physical activity appear to be protective against anxiety disorders, while cigarette smoking, alcohol and cannabis use, negative perceptions of life events, and certain work-related factors are associated with increased risk