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Female Metabolism: Dr. João Ricardo Unveils Women's Health Secrets

Understand how metabolism works, the importance of holistic health, and debunked myths about women's weight loss and well-being.

In this episode of Donas da Voz, Livia Matos speaks with endocrinologist Dr. João Ricardo Aguiar about women's metabolism. They delve into topics ranging from the natural slowdown with age to eating disorders, hormone replacement therapy, and the perils of online misinformation. This serves as an essential guide for female health and empowerment.

The Donas da Voz podcast welcomes Dr. João Ricardo Aguiar, an endocrinologist and specialist in metabolomics, for an essential chat with host Livia Matos about metabolism and women's health. Uncover the mysteries of your body and learn how to truly care for yourself, combating myths and misinformation.

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Unveiling Female Metabolism

Metabolism refers to all the reactions our body performs daily to maintain health. This includes everything from cell renewal to cognitive function. There are two main processes: anabolism (tissue building) and catabolism (tissue breakdown). Over time, catabolism tends to outweigh anabolism, leading to a metabolic slowdown.

For women, this slowdown is even more pronounced due to two crucial factors:

  • Hormonal decline: The production of hormones that aid metabolism significantly decreases, especially after age 40, with menopause, when women cease hormone production, unlike men who only experience a reduction.
  • Muscle mass: Women physiologically have less muscle mass than men. Since muscles are responsible for a large portion of our energy expenditure, the loss of muscle mass (sarcopenia) contributes to metabolic sluggishness.
Female Metabolism: Dr. João Ricardo Unveils Women's Health Secrets

Impacts of a Slow Metabolism

A slow metabolism doesn't just affect weight gain. It compromises all bodily functions: nails, hair, gut health, memory, and sleep can all be impaired. Many people eat little but gain weight because they expend fewer calories than they consume. Calorie expenditure is individual and varies with age, hormones, and muscle mass.

Health Beyond Weight: Food and Habits

It's crucial to understand that being overweight is already a health issue, not just an aesthetic one. Overweight and obesity increase the risks of heart failure and various types of cancer. Normal lab tests do not guarantee health in obese individuals, as changes may take time to appear, and by then, it might be too late. Similarly, being thin does not guarantee health; thin people can have high cholesterol, diabetes, or low lean muscle mass.

Eating Disorders and Aesthetic Pressure

Aesthetic pressure contributes to the rise of eating disorders. The most common are binge eating disorder (eating excessively and regretting it) and anorexia (distorted self-image, pursuit of extreme thinness). Although prevalence is higher between ages 15 and 30, these disorders can affect older individuals. Treatment is multidisciplinary, involving endocrinologists, psychologists, and psychiatrists, as they are often linked to anxiety and depression.

Hormone Replacement: An Ally for Female Longevity

Hormone replacement therapy (HRT) is a controversial but essential topic for modern women. Female longevity has increased, and women now occupy various social roles, reducing the number of pregnancies and increasing the number of menstrual cycles. Ovarian egg depletion occurs earlier, and HRT aims to improve the quality of life for menopausal women. It positively impacts energy, memory, sleep, libido, self-esteem, and can reduce anxiety and depression, effectively "bringing a woman's life back."

Contraceptives and Transgender Women

When using contraceptives, women are not biologically menstruating but rather experiencing withdrawal bleeding. The choice of whether to bleed or not is personal, and various options are available. For transgender women, hormonal support should begin as early as possible for feminization. Health investigations should consider both developed feminine aspects and original biological ones, such as the prostate.

Diet, Physical Activity, and the Dangers of Misinformation

For a healthy diet, the rule is simple: "peel more and unpackage less." Prioritize proteins in all three main meals, combined with vegetable carbohydrates. Brazilians often consume excessive carbohydrates at breakfast, which quickly leads to hunger. In cases of difficulty with protein intake, supplements like Whey Protein or albumin are allies, especially for the elderly, vegetarians/vegans, and bariatric patients.

Intermittent fasting does not lead to weight loss on its own; rather, it's the calorie deficit that does. If excessive consumption occurs during the eating window, there will be no weight loss. Protein deficiency causes loss of lean muscle mass, hair (keratin), and compromises various bodily functions.

"Weight Loss Pens" and Anabolic Steroids

Weight loss medications, such as "pens," are an advancement in medicine for combating obesity, but they must be used under strict medical supervision. Self-medication is dangerous and can carry serious risks. These pens help inhibit hunger, but true success comes from lifestyle changes and discipline. The body tends to compensate for weight loss by increasing hunger and reducing calorie expenditure, which is why treatment often needs to be continuous for years.

Anabolic steroids, in turn, accelerate metabolism but can cause undesirable side effects such as hair loss, oily skin, increased hair growth, and organ enlargement. The term "bioidentical hormone" is a marketing ploy and has been proscribed by the Federal Council of Medicine; testosterone is testosterone, regardless of its origin.

Autoimmune Diseases and Vitamins

Autoimmune diseases, such as Hashimoto's Thyroiditis (affects the thyroid) and Type 1 Diabetes (affects the pancreas), occur when the body produces antibodies against itself. They affect metabolism and require specific medical treatment, such as hormone replacement or insulin. The danger of misinformation online is real; serious doctors do not offer "one-size-fits-all solutions" or miracle cures. Excessive vitamins, such as vitamin D (which in high doses can be toxic and cause kidney problems or seizures), can also be harmful.

Food Allergies and Intolerances

It is crucial to differentiate between intolerance (bloating, lack of digestive enzyme), irritability (diarrhea or constipation, intestinal inflammation), and allergy (cutaneous or systemic reaction). The rise in these diagnoses may be due to increased public awareness and the excessive consumption of ultra-processed foods, which disrupt gut health.

Debunked Myths & Healthy Aging

Dr. João Ricardo debunks some myths and truths:

  • Does eating carbs at night make you gain weight? Myth! It depends on the total daily calorie expenditure. It's simple math.
  • Do thin people always have a fast metabolism? Not always!
  • Do severe calorie restrictions slow down metabolism? True! The body reduces expenditure to conserve energy.
  • Do certain foods accelerate metabolism and aid weight loss? True, but they are aids, not miracles.
  • Can overweight people have a fast metabolism? True! They might be eating far beyond their expenditure, even with a fast metabolism.

Aging well and healthily requires body preservation from an early age. Steer clear of cigarettes and alcohol, get enough sleep, and practice discipline. If you're already experiencing the consequences of unhealthy habits, seek medical attention to mitigate the issues. Prevention is crucial. Remember: time doesn't turn back. Invest in your health today for a future with a high quality of life.

Dr. João Ricardo emphasizes the importance of seeking information from qualified healthcare professionals. Be wary of "false prophets" online who promise magical solutions or sell miracle products. A reputable doctor offers options and ongoing support, not quick fixes.

This conversation served as a powerful reminder that our health is our greatest asset. Take care of your metabolism, your body, and your mind with wisdom and quality information. You deserve a full and healthy life, at all stages.

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