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Facts (2)
Sources
All about the male hormone cycle | Guud Woman guudwoman.com 1 fact
claimTestosterone in men is responsible for vitality, assertiveness, well-being, motivation, self-confidence, libido, muscle mass, strength, cognition, and memory.
Hormonal Changes In Men As They Grow Older - Elderplan elderplan.org 1 fact
claimAdditional symptoms potentially associated with low testosterone include decreased energy and motivation, lack of confidence, poor concentration, depression, increased sleepiness, and sleep disturbances.