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Dr. Rena Malik: Why your nervous system runs your sex life

How parasympathetic, rest-and-digest physiology drives arousal. Why pelvic-floor tension and erectile dysfunction often signal cardiovascular warning.

Steven BartletthostDr. Rena Malikguest
Apr 27, 20261h 59mWatch on YouTube ↗

Episode Details

EPISODE INFO

Released
April 27, 2026
Duration
1h 59m
Channel
The Diary of a CEO
Watch on YouTube
▶ Open ↗

EPISODE DESCRIPTION

Is your sex life bad? Dr Rena Malik walks you through every single sex question you're too nervous to ask - from testosterone, porn, and erectile dysfunction, to libido and stress! The Better-Sex Doctor Rena Malik is a urologist, pelvic surgeon, and sexual health expert who helps millions better understand sexual health and taboo topics through science-based education and honesty. She is also the author of her upcoming book 'The Hard Truth'. She explains: ◼️Why bad sex is often a sign your overall health is breaking down ◼️Why erectile dysfunction can be an early warning sign of heart disease ◼️The 4 pillars that control your sex life: fuel, strength, environment, and confidence ◼️How porn, masturbation habits, and performance anxiety can rewire arousal ◼️What low testosterone actually feels like, and when TRT is a mistake ◼️Why better sex starts long before you enter the bedroom 00:00 Intro 03:57 Why Are People Having Less Sex? 06:06 Why Is Rough Sex Increasing? 07:16 Is Dopamine Ruining Your Sex Life? 09:42 How Do You Find What Turns You On? 11:50 Why Does Performance Anxiety Kill Intimacy? 14:34 Why Do Couples Stop Having Sex? 17:56 What Is The Best Diet For Erectile Dysfunction? 20:58 What Are The Best Exercises For Sexual Performance? 28:29 What Can Erectile Dysfunction Signal? 30:59 Why Does Porn Work But Real Sex Does Not? 34:25 Why Do Morning Erections Matter? 35:50 What Are The Differences In Male Vs Female Arousal? 40:20 Why Do You Feel Tired After Orgasm? 41:24 How Does Stress Affect Your Sex Life? 43:19 How Does Sleep Affect Testosterone? 45:26 Do Microplastics Affect Hormones? 47:57 How Do Friends Affect Your Sex Life? 50:06 How Does Porn Affect Relationships? 53:10 Ads 55:12 Should Couples Use Sex Toys? 56:58 Can Sex Toys Become Addictive? 59:32 What Are The Best Positions For Female Orgasm? 01:00:50 What Is Squirting? 01:02:58 Why Does Sex Cause UTIs? 01:04:28 Why Do Humans Have Orgasms? 01:05:26 What Are Non Genital Orgasms? 01:08:57 Why Is Testosterone Declining? 01:11:05 Does Testosterone Affect Fertility? 01:14:50 What Are The Risks Of Anabolic Steroids? 01:16:55 Does TRT Affect Fertility? 01:23:38 How Does Body Image Affect Sexual Pressure? 01:25:40 Ads 01:27:43 Does Penis Size Matter? 01:31:38 Do Penis Enlargement Methods Work? 01:36:15 What Are The Toughest Cases Doctors See? 01:38:22 How Much Does Vaginal Size Vary? 01:39:33 Why Does Sex Feel Different With Each Person? 01:41:09 Can You Predict Penis Size? 01:41:52 Do GLP 1 Drugs Affect Libido? 01:44:45 How Do You Talk About Sex With Your Partner? 01:51:19 What Do Sexual Fantasies Mean? 01:56:44 What Should You Do If You Have Lost Hope? Independent Research: https://stevenbartlett.com/wp-content/uploads/2026/04/DOAC-Rena-Malik-Independent-Research-Further-Reading.pdf Follow Dr Rena: Instagram - https://link.thediaryofaceo.com/9eD5dDG X - https://link.thediaryofaceo.com/BDcDWi8 YouTube - https://link.thediaryofaceo.com/CTzkeOx Website -https://link.thediaryofaceo.com/TyaRNr You can pre-order Dr Rena’s book ‘The Hard Truth: Everything Men Need to Know for Good Health, Great Sex, and Long Life’, here: https://link.thediaryofaceo.com/FQSv9xe Enjoyed the episode? Share this link and earn points for every referral - redeem them for exclusive prizes: https://doac-perks.com The Diary Of A CEO: ◼️Join DOAC circle here - https://doaccircle.com/ ◼️Buy The Diary Of A CEO book here - https://smarturl.it/DOACbook ◼️The 1% Diary is back - limited time only: https://bit.ly/3YFbJbt ◼️The Diary Of A CEO Conversation Cards (Second Edition): https://g2ul0.app.link/f31dsUttKKb ◼️Get email updates - https://bit.ly/diary-of-a-ceo-yt ◼️Follow Steven - https://g2ul0.app.link/gnGqL4IsKKb Sponsor links: Wispr - Get 14 days of Wispr Flow for free at https://wisprflow.ai/steven Ketone - https://ketone.com/STEVEN for 30% off your subscription order Fiverr - https://fiverr.com/diary and get 10% off your first order when you use code DIARY Cometeer - https://cometeer.com/steven for $30 off your first order *Steven is an investor in this business

SPEAKERS

  • Steven Bartlett

    host

    Entrepreneur and host of The Diary Of A CEO podcast.

  • Dr. Rena Malik

    guest

    Urologist and sexual health physician known for patient-focused education content.

EPISODE SUMMARY

In this episode of The Diary of a CEO, featuring Steven Bartlett and Dr. Rena Malik, Dr. Rena Malik: Why your nervous system runs your sex life explores sex scientist explains evidence-based habits for better sex and health Sex is framed as both a pleasure practice and a health “vital sign,” with erectile function and orgasm frequency correlating with broader cardiovascular and longevity markers (though not proving causation).

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