Mark Bailey

Mark Bailey is a Contributing Editor to Unfiltered. He is an experienced writer covering health, sport and science. He has contributed to The Telegraph, The Financial Times, The Observer, The Times, The Evening Standard and National Geographic and consulted for brands including Gillette, Red Bull and Oakley.

18 articles published

fat but fit body positivity HAES obesity 2

HEALTH Opinion

Dr Rishi Caleyachetty: The body positivity movement is wrong – you can’t be fat and fit

Dr Rishi Caleyachetty Dr Rishi Caleyachetty is an expert in obesity, diabetes and cardiovascular health, and a doctor at University Hospitals Coventry and Warwickshire. He is the Chair of the Junior International Committee for the Royal College of General Practitioners and a member of the UK All-Party Parliamentary Group's Obesity Strategic Council. Follow him on…

October 17, 20240Comments

ByMark Bailey

Male infertility shame sexual health testosterone pregnancy

HEALTH Investigation

Stigma, shame and silence: the hidden impact of male infertility

Dr Esmée Hanna Dr Esmée Hanna is an associate professor in the School of Allied Health Sciences at De Montfort University, Leicester and an expert in the sociology of male infertility. Behind the wall of silence lies a mental health catastrophe. A wealth of scientific studies and surveys have confirmed that men who are struggling…

August 27, 20240Comments

ByMark Bailey

cycling fertility saddle sore bike training

HEALTH Investigation

Saddle sore: is too much cycling ruining your sex life?

Phil Burt Phil Burt is a leading cycling health expert who spent more than a decade as head of physiotherapy at the all-conquering British Cycling team for three Olympic Games, and was part of the famed Marginal Gains group which was charged with finding innovative improvements in performance. He also spent five years as consultant…

August 26, 20240Comments

ByMark Bailey

Donut obesity sugar insulin diabetes healthcare ozempic HAES

HEALTH Opinion

Who’s really to blame for the global obesity epidemic?

Professor Jane Ogden Jane Ogden is a professor of health psychology at the University of Surrey. She has been researching eating behaviour, weight management and women’s health for more than 30 years, and has written several informative books on the subject, including “The Psychology of Eating” and “The Psychology of Dieting”. We’re living through a…

July 31, 20240Comments

ByMark Bailey

cyclist man endurance cardio sperm health reproduction

HEALTH Explainer

6 ways to men can protect sexual health during intense training

Endurance cyclists are known for their peak fitness, yet scientific research reveals that many male cyclists face surprisingly low sperm counts. Similarly, ultra-fit marathon runners are experiencing declines in reproductive health. Studies indicate that super-fit professional athletes often have lower sperm counts compared to "ordinary" men. Why are these ultra-fit individuals facing fertility issues, and…

July 29, 20240Comments

ByMark Bailey

extreme exercise fertility testosterone cycling sperm health

HEALTH Investigation

Can too much endurance exercise make you infertile?

Endurance cyclists are supremely healthy athletes, but scientific studies now suggest that many male cyclists have surprisingly low sperm counts. Some ultra-fit marathon runners are discovering a similar decline in their reproductive health. In fact, research suggests that many super-fit professional athletes often have lower sperm counts than “ordinary” men. Why are so many ultra-fit…

July 22, 20240Comments

ByMark Bailey

HEALTH Investigation

The Fertility-Fitness Paradox: are steroids making men infertile?

Across the animal kingdom, amorous males make a valiant effort to catch the eyes of females. Dashing peacocks shake their handsome iridescent feathers at peahens. Male blackbirds serenade mates with their exquisite flute-like songs. Red stags unleash loud guttural roars to display their virility. And in the world of homo sapiens, where Tinder, Instagram and…

July 22, 20240Comments

ByMark Bailey

male fertility sexual health sperm testosterone

HEALTH Upgrade

10 simple ways men can boost their fertility

It’s enough to make your testicles shrink. Global research has shown that men’s mean sperm concentrations have dropped by 51.6% since the 1970s - and this decline is accelerating at an astonishing rate, from 1.16% per year to 2.64% per year since the year 2000 (read our exclusive investigation, “Sperm counts in freefall: is the…

July 14, 20240Comments

ByMark Bailey

Ozempic weight loss drugs GLP-1 diabetes healthcare

HEALTH Obesity crisis

Dr Stephen Lawrence: The truth about Ozempic and weight-loss drugs

Dr Stephen Lawrence Dr Stephen Lawrence is a GP and an Associate Clinical Professor at the University of Warwick. He is director of the largest Masters diabetes course in the world and has served as Clinical Diabetes Lead for the Royal College of General Practitioners. A new generation of weight-loss drugs, like Wegovy from Danish…

July 9, 20240Comments

ByMark Bailey

male fertilty crisis testosterone sexual health sex 1

HEALTH Investigation

Sperm counts in freefall: is the male infertility crisis an existential threat to humanity?

For men’s testicles, it is the best of times, it is the worst of times. The population of the earth has swollen to 8 billion, and is forecast to hit 9.7 billion by 2050, which suggests male powers of procreation are in bullish good health. But disturbing global research has shown that men’s mean sperm…

July 9, 20240Comments

ByMark Bailey

Mark Bailey

Sign Up to Our Newsletter