Testosterone is the sex hormone that is responsible for a range of important functions, from hair growth and bone density to sperm count and libido levels. Low testosterone affects millions of men, ...

Angela Myers is a freelance writer covering mental health, wellness and nutrition. She’s also conducted award-winning research on how to better communicate about sexual violence prevention and mental ...

Low testosterone can cause fatigue, low libido, mood changes, muscle loss, and bone weakness.

In practice, Will’s increased T levels have seen his performance in the gym improve massively. Over 28 days he added 10kg to ...

What are normal testosterone levels by age? An older photographer mentors a younger one. Testosterone is an important hormone. It helps men develop during puberty, and as they age, it plays a critical ...

Three forms of testosterone are found in serum: sex hormone-binding globulin (SHBG)-bound (60%-70% of total), albumin-bound (20%-30% of total), and free (1%-3% of total). SHBG-bound testosterone is ...

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