Andrew Peach

It is proven that HRT can be very helpful to women who are going through the menopause.

I totally understand that the idea of a randomized controlled trial is you don't know whether you're getting the drug or you're getting a placebo.

But it might mean that whilst the science is good, the outcomes for those women aren't necessarily good.

Professor Amy Spector.

Elliot Kipchoge is considered one of the greatest long-distance runners of all time, an Olympic champion who reinforced Kenya's reputation for producing some of the best marathon runners in the world.

He retired this year after more than two decades of competition, but in a BBC interview he said he's deeply invested in the future of Kenyan athletics.

Peter Goffin was listening.

Eliud Kipchoge was just 19 years old when he ran his first Olympic race, a bronze medal finish in the men's 5,000 meters in Athens in 2004.

He went on to win gold in the marathon at the 2016 and 2020 Olympic Games, as well as a slew of medals and broken records in world championships and city marathons.

But for all that success, he has not forgotten what it's like to be a young runner in need of training and support from athletics federations.

We'll have a great talent to actually skyrocket our sport in this country.

Turning a young runner into a champion is a process he likens to squeezing a diamond from a stone.

And that's why they don't respect the talent the fullest.

Kenya is renowned for its long-distance runners.

But several of its track and field athletes have been accused of using performance-enhancing drugs, or PEDs.

19 Kenyans were banned from competition by the Global Athletics Integrity Unit this year.

In October, the World Anti-Doping Agency put Kenya on its watch list for failing to comply with requirements.

Kipchoge says Kenyan authorities are not doing enough to stop PED use.

He says young runners must be taught to value their sport and its legacy, not just shoot for easy glory on the track.

We are in a state whereby men and women