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Losing Hair After 40? Check These Before Trying Finasteride
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💡 What You'll Learn: Timestamped Chapters
✅How DHT and genetics cause hair thinning with age: in DHT-sensitive follicles the growth phase gets shorter every hair cycle, turning thick hairs into fine ones, which is why hair loss after 40 shows up more, plus the Norwood and Ludwig hair loss scales.
✅Female hair loss and hormones: falling progesterone and estrogen in perimenopause and menopause, thyroid problems, and PCOS, where insulin resistance and inflammation push more testosterone toward DHT and cause hair thinning in women.
✅Other causes of hair shedding to rule out: low iron and ferritin, too little protein or collagen, low stomach acid, telogen effluvium after illness, stress or crash dieting, and scalp conditions like alopecia areata and psoriasis.
✅Lab tests for hair loss: a full thyroid panel (TSH, free T4, free T3, reverse T3 and thyroid antibodies, not TSH alone), plus CBC, ferritin, a metabolic panel and protein markers, along with a look at gut health, stress and sleep.
✅Natural hair growth support vs. medication: saw palmetto, pumpkin seed oil, copper peptides after microneedling, red light therapy as an add-on, ketoconazole shampoo and filtered shower water, with finasteride and minoxidil saved for last at low doses.
Related Health Resources:
Gluten Series: http://www.justinhealth.com/gluten-video-series
Thyroid Series: http://www.justinhealth.com/thyroid-hormone-balance
Female Series: http://www.justinhealth.com/female-hormone-balance
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⚕️ Medical Disclaimer: This content is for educational purposes only and is not intended as medical advice, diagnosis, or treatment. Please consult your licensed healthcare provider regarding any personal medical concerns.
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