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A viral Twitter post from April 9 claims testosterone levels have dropped by almost 50% over the past 20 years. "Here's a cheery Friday fact," reads the post. "An average 22 year-old (sic) male today ...

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 ...

Low testosterone, causing sexual dysfunction, loss of muscle mass, obesity, hair loss and depression, may affect 30% of guys who are overweight compared to around 6% of those who are a healthy weight.

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 ...

Starting around age 40, many men notice the first physical changes that may be related to their hormone levels: Energy wanes more quickly, sleep is less restful, and waistlines often expand. These are ...

WHAT’S CONSIDERED NORMAL when it comes to testosterone levels is relative. Normal varies from person to person, and doctors say your actual number may not be as important as you might think. How you ...

As a health issue, testosterone therapy can be confusing. On one extreme, there are testosterone clinics that promise to take you back decades to age 25 again with renewed strength, vigor, and sexual ...

Jatenzo (testosterone undecanoate) is a prescription drug that’s used to treat low testosterone levels. The drug comes as a capsule that you swallow. It’s usually taken twice per day. Jatenzo is ...

Testosterone is an important hormone. It helps men develop during puberty, and as they age, it plays a critical role in helping control fat levels, cholesterol, and glucose levels. Testosterone ...