Injuries, energy and the things men put off asking about

• Is 400 testosterone low? What the number means at your age400 ng/dL is inside the normal range for men. What the harmonised range says, why morning timing and sleep move the number, and when free testosterone matters.Updated 24 October 2026
• How fast you can actually build muscle, in numbers instead of vibesHow fast you can build muscle: about 1 to 1.5% of body weight in year one, half that in year two. Real numbers by training age, and what sets the ceiling.Updated 18 October 2026
• Before you blame low testosterone, get screened for sleep apnoeaFatigue, low mood and low libido? Sleep apnoea lowers testosterone and mimics low T. How to get screened first, and how to test testosterone properly after.Updated 18 October 2026
• Hardgainer: why eating more is not workingCan't gain weight however much you eat? A Mayo Clinic overfeeding study shows where the extra calories go, and what works for hardgainers who have stalled.Updated 18 October 2026
• Low energy at 30, and why your labs being fine is not a resultTired at 30 and told your labs are fine? A reference range is not a target. The blood numbers to ask for by name, and what to rule out before blaming hormones.Updated 18 October 2026
• Your tendon has not healed in six months because rest is the wrong prescriptionTendon still sore after six months of rest? Tendon remodels under load. The 12-week heavy eccentric protocol from Alfredson's trial, and how to run it at home.Updated 18 October 2026