The average person is likely to be able to survive on a hunger strike for two months, provided they are drinking water. Here's how the human body can manage for so long without food.
Exercise is important for astronauts to prevent weak muscles.
Loss of muscle mass is a growing concern for the tens of millions of older Americans. It leads to falls and increased isolation, already a huge problem during coronavirus.
There are some factors you can't change about your metabolism. But there are things you can do to influence how much energy your body uses over the course of the day.
Heart disease, cancer and diabetes all cause weaker hand grip strength.
Without proper care, lockdown measures during the COVID-19 pandemic could worsen muscle loss and long-term health in ageing populations.
Studies show rest days are important for helping our body recover and adapt in many ways.
The vitamin could also protect against sarcopenia, which affects more than 50 million people globally.
There's currently little evidence that 'reverse dieting' works.
Delivering the extra protein older people need via biscuits could be a simple and effective way to help guard against muscle loss in ageing.
And why doping cheats may never be caught.
Here are some of the more popular sports supplements on the market today, separated into categories based on how effective and safe research shows they are.
Whole body vibration therapy is undertaken by standing, sitting, lying or doing exercises on specifically designed equipment that oscillates at relatively high frequencies.
Named after the Greek word "kreas" meaning flesh, creatine is an amino acid derivative found in all cells in the body, but is stored primarily in muscle.
The advice on the sides of protein tubs may have to change.
What science can tell us about ageing and strength.