『40s Forward』のカバーアート

40s Forward

40s Forward

著者： Dr. Betsy Greenleaf
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今ならプレミアムプランが3カ月 月額99円

2026年5月12日まで。4か月目以降は月額1,500円で自動更新します。

概要

 40s Forward Podcast Life after 40 isn't about slowing down—it's about leveling up 40s Forward is the podcast for high-achieving men and women who want more energy, sharper focus, stronger bodies, better sex, and longer healthspan. Hosted by Dr. Betsy Greenleaf, board-certified physician and founder of the International Pause Institute, each episode blends cutting-edge medical insight with real-world strategies for optimizing midlife performance. From hormones, metabolism, and longevity to biohacking, peptides, sexual wellness, and mindset, this show delivers science without hype for people who invest in their health the same way they invest in their success. This isn't anti-aging. It's forward living.2025 代替医療・補完医療 衛生・健康的な生活
エピソード
  • S1E17 Wait… Women Need Testosterone Too?!

    S1E17 Wait… Women Need Testosterone Too?!
    2026/04/20
    In this episode of 40s Forward, Dr. Betsy Greenleaf breaks down one of the most misunderstood—and overlooked—hormones in women's health after 40: testosterone. If you've been feeling flat, unmotivated, disconnected, or like your drive—physically, mentally, or emotionally—has faded, you're not alone. And it may not be "just aging" or menopause. It may be hormonal. This conversation challenges outdated narratives and reframes testosterone as a critical hormone for women's vitality, confidence, and overall well-being. What You'll Learn in This Episode • Why testosterone is not just a "male hormone" • The role testosterone plays in libido, energy, mood, and cognition • How declining testosterone impacts confidence, motivation, and performance • Why symptoms matter just as much as lab values • The connection between stress, inflammation, and hormone depletion • Why hormone therapy is not a quick fix—and what needs to come first Testosterone in Women: What It Really Does Women produce testosterone in the ovaries, adrenal glands, and peripheral tissues—and it affects far more than sex drive. Testosterone supports: • Libido and sexual function • Muscle mass and body composition • Bone density • Cognitive function and mental clarity • Mood, confidence, and motivation • Nitric oxide production and orgasm quality When levels decline, women often experience not just low libido—but loss of drive, ambition, assertiveness, and vitality. What Happens After 40 Testosterone begins declining in the 30s and can drop significantly by the 40s and 50s. This decline is often compounded by: • Chronic stress and cortisol dysregulation • Poor sleep • Insulin resistance • Inflammation • Hormonal birth control history • Gut health imbalances • Surgical menopause One key principle: Stress and sex hormones cannot thrive at the same time. When the body is in survival mode, hormone production takes a back seat. Signs You May Have Low Testosterone You may be experiencing low testosterone if you notice: • Decreased libido or lack of sexual thoughts • Low motivation or drive • Difficulty building muscle despite working out • Brain fog or reduced focus • Feeling "flat" or disconnected • Reduced confidence or assertiveness • Weaker orgasms or reduced sexual satisfaction This isn't vanity—it's physiology. Why "Normal" Labs Can Be Misleading Many women are told their labs are "normal"—but normal does not mean optimal. Key considerations: • Labs are a snapshot in time • Reference ranges are based on population averages • Individual needs vary significantly Comprehensive evaluation may include: • Total vs. free testosterone • Sex hormone binding globulin (SHBG) • Estrogen balance • Thyroid function • Cortisol levels A personalized, whole-body approach is essential. Testosterone Therapy: The Reality Currently, there are no FDA-approved testosterone products specifically for women in the U.S., making treatment off-label. Options may include compounded formulations—but they require: • Proper dosing • Ongoing monitoring • An experienced provider Potential side effects can include: • Acne or hair growth • Hair thinning • Mood changes • Lipid shifts • Changes in blood counts This is not a "set it and forget it" therapy—it requires precision and partnership. Hormones Are a Tool—Not the Whole Solution One of the biggest takeaways: Hormones are not the starting point—they are part of the strategy. Before or alongside therapy, it's critical to address: • Stress and cortisol balance • Sleep quality • Nutrition and inflammation • Exercise habits • Gut health Without this foundation, hormone therapy may not work effectively. Natural Ways to Support Testosterone For those not ready for hormone therapy, lifestyle changes can help: • Prioritize quality sleep • Reduce stress and inflammation • Strength train (without overtraining) • Optimize protein intake • Ensure adequate zinc (foods like oysters, seeds, nuts, salmon) • Avoid excessive exercise that raises cortisol Key Takeaway If your drive, confidence, and vitality have changed, it may not be burnout, your relationship, or your mindset. It may be your physiology. After 40 is not a decline—it's a recalibration. And you have options. --- If this episode resonated, share it with a woman who needs to hear it. Follow 40s Forward for more conversations on hormones, health, confidence, and thriving in midlife. Because we're not aging quietly—we're evolving.
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    30 分
  • S1E16 Leadership, Reinvention & Building a Business That Actually Works with Barbara Joshua

    S1E16 Leadership, Reinvention & Building a Business That Actually Works with Barbara Joshua
    2026/04/14
    In this episode of 40s Forward, Dr. Betsy Greenleaf sits down with Barbara Joshua, a senior business consultant with more than 30 years of experience advising CEOs, executives, and entrepreneurs on growth, strategy, and transformation. Together, they explore what it really takes to succeed in business after 40 — from leadership and communication to confidence, collaboration, and reinvention. What You'll Learn in This Episode • Why midlife is often a peak — or pivot point — in your career • The most important skill in today's business world (hint: it's not technical) • How poor communication quietly destroys teams • Why complexity is the enemy of growth • How to delegate effectively without losing control • The mindset shifts women need to succeed in business • Why confidence comes before readiness — not after Midlife: Peak or Pivot For many people, their 40s and beyond represent one of two things: • Reaching the height of their career • Realizing they're ready for something new Barbara explains that both are normal — and both require intentional thinking, not autopilot living. The #1 Skill for Success: Collaboration In today's business world, technical skills alone are not enough. Barbara emphasizes that the ability to collaborate — even with people you do not like or agree with — is one of the most valuable skills you can develop. True leadership is not about control. It is about alignment, communication, and empowering others. Why Communication Breaks Down One of the biggest challenges in leadership is not what you say — but how it is understood. Many leaders assume their expectations are clear, but their team may be operating with a completely different definition. The fix: • Clearly define goals together • Ask for feedback and interpretation • Do not assume alignment — create it The Delegation Trap If you've ever said, "It's just easier if I do it myself…" you're not alone. But Barbara explains that this mindset limits growth. Instead: • Give small tasks and test your team • Allow room for mistakes • Build systems — not dependency Delegation is not about losing control. It is about scaling your impact. Complexity Is Killing Your Business A major theme of this episode is simplicity. Barbara shares that if you cannot explain your business clearly in 2–3 sentences, it is probably too complex. Signs your business needs simplification: • Overcomplicated org charts • Too many offers or services • Confusing messaging • Lack of clear direction Clarity creates momentum. Complexity creates stagnation. A Simple Strategy for Big Thinkers If you are someone with a million ideas, this tip is gold: • Capture ideas on a board or list • Focus on one core priority at a time • Schedule future ideas instead of chasing them all at once You do not lose ideas — you sequence them. Leadership Skills That Actually Matter Barbara highlights key traits of effective leadership: • Empathy without losing boundaries • Clear communication • Strategic vision • Honesty and directness • Emotional intelligence And one powerful reminder: Do not take everything personally. Most reactions from others have nothing to do with you. Advice for Women in Business One of the most impactful parts of this conversation is Barbara's advice for women: • Stop waiting until you feel "ready" • Trust that you can figure it out • Speak up — even when it feels uncomfortable • Do not downplay your ideas or contributions Confidence is not something you earn first. It is something you build by taking action. The Power of Being Human in Business Barbara emphasizes something often overlooked: Being kind, respectful, and authentic is a competitive advantage. From CEOs to janitors, how you treat people matters. Relationships drive opportunities. Key Takeaways • Collaboration is a core leadership skill • Clear communication prevents frustration and failure • Simplicity is essential for business growth • Delegation is required for scaling • Confidence comes through action, not perfection • Empathy and honesty build stronger teams Who This Episode Is For • Entrepreneurs and business owners over 40 • Women looking to step into leadership • Professionals feeling stuck or ready for a pivot • Anyone building or managing a team • High-achievers juggling multiple ideas and directions Guest Resources: Barbara Joshua LinkedIn and Instagram Joshua Consulting & UP'N'CHANGE UP'N'CHANGE Newsletter: https://www.upnchange.com/en/newsletter-subscription/ Free Stress Type-Check: https://www.upnchange.com/en/digitools/get-the-free-stress-type-check/ Key Quote "If you can't explain your business simply, it's too complex." If this episode resonated with you, share it with someone building their next chapter. Follow 40s Forward for more conversations on leadership, confidence, and thriving in midlife.
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    39 分
  • S1E15 Sleep, Diet, Longevity & Raising Healthier Kids with Dr. David Spiro

    S1E15 Sleep, Diet, Longevity & Raising Healthier Kids with Dr. David Spiro
    2026/04/05

    In this episode of 40s Forward, Dr. Betsy Greenleaf sits down with Dr. David Spiro—pediatric emergency physician, educator, and host of the HUMED (Human Medicine) podcast—to explore how the foundations of lifelong health begin early and continue to shape us well into midlife and beyond.

    This conversation bridges pediatrics and midlife health, revealing how sleep, nutrition, movement, and daily habits impact not only how we age—but how the next generation will age as well.

    What You'll Learn in This Episode

    • Why childhood habits directly influence adult longevity
    • The powerful connection between sleep, diet, and chronic disease
    • Why obesity and type 2 diabetes are rising in children
    • How processed food and sugar impact long-term health
    • What quality sleep really does for metabolism, mood, and energy
    • The role of exercise, flexibility, and recovery as we age

    Why This Matters After 40

    What you're doing today doesn't just affect how you feel—it shapes your future health trajectory.

    Dr. Spiro emphasizes that midlife is a critical opportunity to reset habits, improve vitality, and model healthier behaviors for children and families. Longevity isn't just about living longer—it's about living better.

    Sleep: The Foundation of Everything

    One of the biggest takeaways from this episode is that sleep is not optional—it's essential.

    Poor sleep impacts:
    • Weight and metabolism
    • Blood sugar and insulin balance
    • Hormones and nervous system function
    • Mood, focus, and mental clarity

    Dr. Spiro highlights how even small lifestyle choices—like eating late, drinking alcohol, or scrolling on your phone—can significantly disrupt sleep quality.

    Simple Sleep Optimization Strategies

    • Keep the bedroom for sleep and intimacy only
    • Avoid screens before bed
    • Create a consistent nighttime routine
    • Sleep in a cool, dark environment
    • Track your sleep to build awareness
    • Keep your phone away from your bedside

    The goal isn't perfection—it's awareness and consistency.

    The Teen Sleep Crisis

    The episode also dives into a growing issue: sleep deprivation in teens.

    Early school start times, late-night screen use, and busy schedules are creating a generation that is chronically exhausted.

    The key message:
    Sleep is not laziness—it's biology.

    Diet: The New Smoking

    Dr. Spiro makes a powerful statement:
    Processed food is the new cigarette.

    Ultra-processed foods and excess sugar are driving:
    • Obesity
    • Type 2 diabetes
    • Chronic inflammation
    • Long-term disease risk

    Nutrition Principles to Live By

    • Minimize ultra-processed foods
    • Reduce sugar intake
    • Focus on whole, real foods
    • Pay attention to how food impacts sleep and energy
    • Aim for consistency, not perfection

    Your daily food choices directly influence how you feel, sleep, and function.

    Movement, Flexibility & Aging Well

    Exercise isn't about extremes—it's about sustainability.

    Dr. Spiro shares how shifting to warm yoga and Pilates improved his:
    • Flexibility
    • Strength
    • Mobility
    • Overall well-being

    For midlife health, the focus should be:
    Strength + flexibility + consistency

    Sauna, Recovery & Longevity

    The conversation also explores the benefits of sauna use, particularly traditional sauna, with research suggesting improvements in long-term health and longevity.

    Beyond physical benefits, sauna offers:
    • Stress reduction
    • Recovery support
    • Time for reflection and mental reset

    Key Takeaways

    • Sleep and diet are deeply interconnected
    • Poor sleep drives weight gain and metabolic dysfunction
    • Processed foods and sugar fuel chronic disease
    • Parents model lifelong health habits for their children
    • Sustainable movement is more effective than extreme exercise
    • Longevity is about both quality and quantity of life

    Who This Episode Is For

    • Adults over 40 focused on longevity and prevention
    • Parents wanting to raise healthier kids
    • Anyone struggling with sleep, energy, or weight
    • Individuals seeking practical, science-backed wellness strategies

    Guest Resources

    Dr. David Spiro
    Podcast: HUMED / Human Medicine
    Available on YouTube, Instagram, Apple Podcasts, and Spotify

    Key Quote
    "Diet and sleep are core, essential features of health."

    If this episode resonated with you, share it with someone who needs to hear it. Follow 40s Forward for more conversations on optimizing your health, energy, and longevity after 40.
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    37 分
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