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GlossaryMuscle Mass

total amount of muscle tissue in the body

Muscle mass refers to the total amount of muscle tissue in the body, encompassing the size, volume, and bulk of muscles. It is a critical factor in overall physical strength, metabolic rate, and functional capacity. Increased muscle mass, often achieved through resistance training and proper nutrition, is associated with improved health outcomes, including better glucose metabolism and reduced risk of chronic diseases.

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community Masseter Muscles and the Tension Theory of Baldness

in Treatment 4 upvotes 5 years ago

The conversation discusses the tension theory of baldness, suggesting that over-developed masseter muscles may harm hair follicles. Botox injections to relax these muscles reportedly led to an 18% increase in hair count in men with AGA.

community Train your forehead and scalp muscles

in Research/Science 23 upvotes 1 year ago

Training scalp muscles to absorb more DHT is suggested as a hair loss solution, but users debate its effectiveness compared to medications like dutasteride and finasteride. Concerns about side effects of DHT blockers, such as reduced libido, are discussed, with some advocating for natural remedies like scalp massages and healthy living.

community Dutasteride Hormone Roller Coaster - Testosterone down, then up, then level, then estrogen up

in Finasteride/Dutasteride 5 upvotes 3 years ago

Dutasteride effectively stops hair loss but can cause side effects like sexual dysfunction, muscle mass changes, and testicle shrinkage. Adjusting the dosage may help manage these side effects, but long-term health effects remain a concern.

community Finasteride Concerns: Nipple Sensitivity and Gyno Risk at 23M

in Basic Questions 117 upvotes 1 month ago

A 23-year-old male experienced nipple sensitivity after starting finasteride for hair loss and stopped using it due to concerns about gynecomastia. He is worried about the risk of developing gynecomastia if he resumes finasteride, especially with plans to increase muscle mass.

community Fin raised my estrogen but also testosterone?

in Finasteride/Dutasteride 17 upvotes 2 years ago

A user experienced initial side effects from finasteride, including erectile dysfunction and emotional changes, but later noticed increased muscle mass and assertiveness. Hormonal tests showed elevated estrogen and prolactin levels, which slightly decreased over time; the user plans lifestyle changes to see if they help.

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Research

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research The selective androgen receptor modulator GTx‐024 (enobosarm) improves lean body mass and physical function in healthy elderly men and postmenopausal women: results of a double‐blind, placebo‐controlled phase II trial

306 citations , August 2011 in “Journal of cachexia, sarcopenia and muscle”

Enobosarm significantly increased muscle mass and improved physical function in elderly men and postmenopausal women without serious side effects.

Effect of Testosterone Supplementation With and Without a Dual 5α-Reductase Inhibitor on Fat-Free Mass in Men with Suppressed Testosterone Production: A Randomized Controlled Trial

research Re: Effect of Testosterone Supplementation With and Without a Dual 5α-Reductase Inhibitor on Fat-Free Mass in Men with Suppressed Testosterone Production: A Randomized Controlled Trial

July 2012 in “The Journal of Urology”

Testosterone increases muscle mass regardless of DHT conversion blocking.

research Effect of Testosterone Supplementation With and Without a Dual 5α-Reductase Inhibitor on Fat-Free Mass in Men With Suppressed Testosterone Production

124 citations , March 2012 in “JAMA”

Testosterone's muscle-building effects do not require its conversion to DHT.

research The Arrector Pili Muscle and the Follicular Unit of the Scalp: A Microscopic Anatomy Study

24 citations , September 2002 in “Dermatologic Surgery”

The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.

research Potential adverse effects of long-term testosterone therapy

72 citations , October 1998 in “Baillière's clinical endocrinology and metabolism”

Long-term testosterone therapy can cause hormone suppression, affect prostate and heart health, and alter physical characteristics, but does not increase prostate cancer risk and needs more research for full risk assessment.

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