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    Did you mean Natural Killer Cells?
    GlossaryNatural Killer Cells

    cells that destroy virus-infected or cancerous cells

    Natural Killer Cells, often abbreviated as NK cells, are a type of white blood cell that plays a crucial role in the body's immune system. They are part of the innate immune response and are responsible for identifying and destroying cells that are infected by viruses or have become cancerous, without the need for prior exposure to these threats.

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      community Physician here AMA – 30M oral Fin 1-1.25 mg daily

      in Update  47 upvotes 2 years ago
      Hair loss treatments, specifically the use of finasteride, microneedling and potentially oral minoxidil. People discussed their experiences with finasteride, its effects on sexual behaviors, as well as potential solutions such as tadalafil or using other growth factor signal peptides for hope in curing male pattern baldness.

      community Rosemary oil, peppermint oil, mucuna pruriens - two weeks in

      in Treatment  81 upvotes 1 year ago
      A user who is trying alternative treatments, such as mucuna pruriens dissolved in water/alcohol and a blend of jojoba oil, rosemary oil, and peppermint oil, for hair loss. Other users have shared anecdotal evidence, discussed the potential effectiveness of certain treatments, and questioned the time sensitivity of experimenting with new treatments.

      community How all hormones affect our hair follicles. Not just DHT. Take a look at this paper. Prolactin, melatonin, cortisol, progesterone, testosterone and more

      in Research/Science  126 upvotes 1 year ago
      The conversation discusses various factors affecting hair loss, not just DHT, and mentions treatments like Minoxidil, finasteride, and melatonin. Some users report personal experiences with these treatments and hormone tests, while others speculate on the role of hormones like prolactin and cortisol in hair loss.

      community I find it funny a bunch of us on here are on drugs for hairloss and maintain clean/healthy lives and then there’s these mf’s in the 90’s juiced to the gills with steroids and have better hair than all of us lol

      in Satire  353 upvotes 1 year ago
      The conversation is about the effects of steroids on hair loss. Some users believe that steroids can cause hair loss, while others argue that it depends on individual sensitivity to DHT. There is also discussion about the appearance of balding individuals who use steroids.

      community The theory that explains everything. Please help me make this big!

      in Research/Science  2448 upvotes 3 years ago
      The post and conversation are about the role of the enzyme 3alpha-hydroxysteroid reductase in hair loss and the potential of compounds like procyanidin B2 and sulforaphane to boost its activity for hair regrowth. Further research is needed to develop effective treatments based on this theory.

      community A Nuanced Look at Microdosing Topical Finasteride

      in Finasteride/Dutasteride  86 upvotes 10 months ago
      The conversation discusses using a low dose of topical finasteride to achieve hair benefits with minimal systemic exposure. Users share experiences and opinions on dosing, systemic buildup, and side effects of both topical and oral finasteride.

      community This guy claims stem cells fixed his balding

      in Is this regrowth?  301 upvotes 11 months ago
      A man who claimed to have regrown his hair using stem cell treatment, sparking a debate about its effectiveness and cost. Some users suggested he might be using other treatments or substances, while others shared their own experiences with stem cell therapy for hair loss.

      community M26 - 9 months after hair transplant! AMA

      in Transplants  624 upvotes 4 years ago
      A user who underwent a hair transplant in Istanbul to reduce balding, and the discussion of various treatments such as finasteride and growth hormone for preventing further hair loss.

      community Giving up on ever feeling comfortable in my body

      in Update  81 upvotes 3 years ago
      The user has been using finasteride, dutasteride, and RU58841 for hair loss without success and feels extremely uncomfortable with their appearance, including being bald and short. They express deep unhappiness and social isolation. Suggestions from others include adopting stoicism, focusing on personal development, considering a hair system, improving fashion, working out, and seeking therapy for mental health.

      community Why I deleted my YouTube channel Part I

      in Update  118 upvotes 3 years ago
      A YouTuber named Kevin, also known as Rider_Of_Roach, who deleted his YouTube channel due to personal attacks and controversy surrounding his views on hair loss treatments. He advocated for FDA-approved treatments like finasteride and minoxidil but faced backlash from those who disagreed with him. The conversation also discusses his past trolling behavior and a lawsuit he filed against a website that published false information about him. Despite some disagreements, many viewers appreciated his research-based content and hope to see him return in the future.

      community Why don't more people here use oils?

      in Treatment  22 upvotes 4 years ago
      The conversation discusses using oils like pumpkin seed, rosemary, peppermint, and grape seed oil for hair regrowth, claiming they can be as effective as finasteride or minoxidil without side effects. Some users remain skeptical and prefer proven treatments like minoxidil.

      community U/joaopassos444 , HATS OFF brother !!

      in Research/Science  125 upvotes 3 years ago
      A new hair loss treatment theory beyond minoxidil and finasteride is proposed, causing mixed reactions in the community, with some members eager to explore and support it, while others call for more research and evidence.

      community When someone posts a scalp tension theory

      in Satire  267 upvotes 3 years ago
      Hair loss theories discussed include poor blood flow, scalp tension, inflammation, and DHT. Treatments mentioned are massaging scalp, minoxidil, finasteride, and RU58841.

      community Hair Transplant results, +1 year later

      in Transplants  810 upvotes 1 year ago
      Hair transplant results after 1 year discussed, with mostly positive feedback on density and appearance. User considers another surgery for hairline, but overall improvement noted.

      community Finasteride is Good for Heart Health!

      in Research/Science  119 upvotes 7 months ago
      Finasteride, a hair loss and prostate drug, may also benefit heart health. Some users discuss the potential negative effects of DHT on the heart and the balance between hair loss treatments and heart health.

      community Woke up with the urge to cut all of it off

      in Shaved/buzzed  31 upvotes 3 weeks ago
      A user decided to buzz their thinning hair after starting Dutasteride, feeling liberated by the change. Other users shared similar experiences, with some using treatments like Finasteride and Minoxidil to manage hair loss.

      community 4-month Min - Diffuse thinking update

      in Progress Pictures  615 upvotes 2 months ago
      User shared a 4-month progress update on using minoxidil and 1.5 months on finasteride for hair loss. Reactions were mixed, with some expressing disbelief and others feeling inspired to start treatment.

      community What's your option on complementary treatment

      in Product  3 upvotes 4 months ago
      The conversation discusses complementary treatments for hair loss while using finasteride and minoxidil, including scalp massagers, scrubs, coconut oil, and vitamin supplements. The user seeks opinions on these additional treatments.

      community Progress so far after a little over a year (23M)

      in Progress Pictures  2705 upvotes 4 months ago
      A 23-year-old shared his hair regrowth progress after using Minoxidil, finasteride, Dutasteride, and RU58841 for over a year. The post received supportive comments, with others sharing their own experiences and complimenting his transformation.

      community Fin is working; I’m just now noticing

      in Finasteride/Dutasteride  109 upvotes 6 months ago
      The user reports significant hair density improvement after 8.5 months of using finasteride, with no side effects except for initially watery semen. They also mention increased sex drive, which they attribute to finasteride, and regret not starting the treatment earlier due to fear of side effects.

      community 9 months on topical fin/min spray

      in Progress Pictures  870 upvotes 1 year ago
      User experienced significant hair improvement after 9 months using topical fin/min spray. Noticed positive changes around 3-month mark and chose topical treatment due to fewer side effects.

      community 27m oral min and fin results after 5 months.

      in Progress Pictures  336 upvotes 2 years ago
      Hair loss treatments and the user's progress with taking finasteride and minoxidil orally, which has resulted in full recovery after 5 months. Users commented on this progress and discussed their own experiences or confusion about the treatments used.

      community Here is my hair regrowth plan

      in Treatment  3 upvotes 3 years ago
      The user's hair regrowth plan includes topical treatments (RU58841, azelaic acid, ketoconazole), oral supplements (Gia Herbs, castor oil), microneedling, PTD-DBM peptide with valproic acid, red light therapy, inversion table with scalp massage, and platelet-rich fibrin injections. Commenters suggest that finasteride and minoxidil are essential treatments for male pattern hair loss, which are missing from the plan.

      community My results & the importance of nutrition on hair health and growth. (M/30, Diffuse Thinner)

       7 upvotes 4 years ago
      A 30-year-old man with diffuse hair thinning shared his hair regrowth regimen, which includes increasing Vitamin D intake, taking oral castor oil, using a dermapen, and various supplements like Glycine, K2, Vitamin E, Vitamin C, Aspirin, Sodium Bicarbonate, and a multivitamin. He also mentioned inconsistent use of Minoxidil, Peppermint Oil, Zix, and topical Castor Oil, and negative side effects from Finasteride, RU58841, and Nizoral.

      community If you had to choose one ? Fin or min ?

      in Product  99 upvotes 4 months ago
      The conversation is about choosing between finasteride and minoxidil for hair loss treatment. Most users prefer finasteride, citing its effectiveness in stopping hair loss, while some mention using both for better results.