As part of State of Sport week, the BBC is looking at some of the biggest topics in sport today.
Here is everything in the series so far:
Monday, 20 March: Amateur doping
- A BBC poll found more than a third (35%) of amateur sports people say they personally know someone who has doped. UK Anti-Doping responded, saying that drug use at every level of sport is "fast becoming a crisis".
- Sports minister Tracey Crouch reacted with concern to the BBC's findings.
- BBC Radio 5 live In Short: 'I would do anything to be faster' - Amateur cyclist on injecting PEDs
- The following day, Ukad announced the doping bans of British medal-winning wrestler Chinu Sandhu and later, a 55-year-old amateur cyclist.
- And on Friday, a third doping sanction of the week was announced - British female weightlifting champion Zhila Panjavi banned for four years for taking steroids.
Tuesday, 21 March: Esports
- A report into esports - organised, competitive computer gaming - found the industry is "set for £1bn revenue and 600 million audiences by 2020".
- Meet the esports team who are the latest star signings for Paris St-Germain, the French football champions.
- Ricki Ortiz is a transgender professional player of cult fighting game Street Fighter. She opens up about her struggles with her identity and the support the esports community has given her.
Wednesday, 22 March: Syria, football on the front line
- Syria's World Cup dream BBC Sport's Richard Conway and David Lockwood follow the Syria football team as they chase World Cup qualification against the backdrop of war. The team can't play matches at home and face a 9,000-mile round-trip for "home" qualifiers in Malaysia. Yet they still have a chance of reaching Russia 2018 and bringing some hope to their fellow countrymen.
- Syria went on to win 'the most important match in their history'.
Thursday, 23 March: Athlete welfare
- Fifa's former chief medical officer says elite footballers' "abuse" of legal painkillers risks their health and could "potentially" have life-threatening implications.
- Olympic silver medallist Wendy Houvenaghel says a "medal at any cost" approach created a "culture of fear" at British Cycling.
- Former NHL enforcer Dale Purinton - part of 125 ex-players suing the league - says suffering 17 career concussions left him suicidal.
- EXCLUSIVE: British Swimming is conducting an investigation after multiple bullying claims were made by Paralympians about a coach, the BBC has learned.
Friday, 24 March: 'Sport saved my life'
- Claressa Shields, the two-time US Olympic boxing champion, escaped a childhood of poverty and sexual abuse. Watch her talk about how boxing saved her life.
- Baroness Tanni Grey-Thompson says British Olympic and Paralympic sport must improve its athletes' welfare.
- Audifax Byiringiro, a Rwandan cricketer, tells his harrowing story of escaping the 1994 genocide and how cricket has helped play a part in the healing process.
- Danny Roberts tells the BBC how he has turned his life around, going from a difficult childhood filled with violence to being a top star in UFC.
- BBC School Report: Edwina Hartwell - from eating disorder to ironman triathlon.
- Death, war, abuse - 10 athletes reveal how sport provided an alternative pathway in their life.
- Relive - State of Sport: Debate. Six panellists tackle the big sporting issues of the day - recap our live text coverage or watch again on iPlayer.