I wanted to know if there are any naturally derived (or if there are only synthetic) steroids. Also, if there are any natural steroids would it be possible for an athlete to get them in his daily diet? Would that disqualify him from any sporting events?

What’s the fastest a human could run, theoretically. What’s the fastest a human could sprint at with the aid of all the latest blood and drug enhancements?

What is the difference between cars that run on petrol and cars that run on diesel?

Can we not just monitor athletes to see how their metabolism is behaving and then regulate it so everyone has the same level?

I’ve always wondered something. If you were a really evil athlete and you had a competitor could you drug their drink in the pub the night before the event and they’d get knocked out of the competition?

Are there just some people who have above-average levels of testosterone and that’s what gives them the advantage?

Is it faster to run barefoot? I run in my local sports track a few times a week trying to beat my personal best of 2:40 but to no avail. Last month, on a whim, I decided to run it barefoot. I ran 2:34 which is totally smashing my personal best. I’ve tried it again and since run 2:30s. As an experiment I ran my next few times in trainers and ran those speeds again. Is running barefoot faster for me and if so why?

Drugs seem to be getting stronger and more common. Could they be excreted and end up in our water supply?