hormonal changes

[testpen]

after what age would people start losing muscle mass and strength caused by hormonal changes?

[Calvesy]

After his early twenties it is estimated that a man will lose 1% of his lean muscle mass per year. This effect is counteracted through weight training.

[ahmad taufik]

at the age of 40

[Kelly Kho]

how long did people need to train with weights per week in order to lower their risk of coronary heart disease by 23 per cent?

[limal69]

What percentage of men who took annual holidays would be less likely to die of a heart disease, than those who'd skipped time off?