Leaps of faith : does jumping up and down 50 times in the morning really boost your physical and (…)

TikTok says it’s the ultimate wake-up call. But does the fitness craze have any downsides – apart from waking up the neighbours? If you’re an avid viewer of online fitness content (or live below someone who is) you’re probably familiar with TikTok’s 50 jumps challenge. The basic premise is (…)