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research Engineering Robust Ag‐Decorated Polydopamine Nano‐Photothermal Platforms to Combat Bacterial Infection and Prompt Wound Healing

513 citations , February 2022 in “Advanced Science”

This study demonstrated that incorporating PDA@Ag nanoparticles into a cationic guar gum hydrogel significantly enhanced photothermal conversion efficiency, achieving superior antibacterial efficacy both in vitro and in vivo, advancing the potential of PDA as a photothermal antibacterial agent.

research Aging and Immortality: Quasi-Programmed Senescence and Its Pharmacologic Inhibition

295 citations , September 2006 in “Cell Cycle”

This review discusses the role of the TOR pathway in aging and suggests that rapamycin could potentially target age-related diseases, but reports no new clinical results.

research A protein kinase target of a PDK1 signalling pathway is involved in root hair growth in Arabidopsis

280 citations , January 2004 in “The EMBO Journal”

AGC2-1 protein is essential for root hair growth in Arabidopsis.

Postoperative Chemotherapy and Tamoxifen Compared with Tamoxifen Alone in the Treatment of Positive-Node Breast Cancer Patients Aged 50 Years and Older with Tumors Responsive to Tamoxifen: Results from the National Surgical Adjuvant Breast and Bowel Project B-16

research Postoperative chemotherapy and tamoxifen compared with tamoxifen alone in the treatment of positive-node breast cancer patients aged 50 years and older with tumors responsive to tamoxifen: results from the National Surgical Adjuvant Breast and Bowel Project B-16.

279 citations , June 1990 in “Journal of Clinical Oncology”

The study found that for positive-node breast cancer patients aged 50 and older, adding chemotherapy to tamoxifen significantly improved disease-free survival compared to tamoxifen alone.

research Timing of expression of the core clock gene Bmal1 influences its effects on aging and survival

237 citations , February 2016 in “Science Translational Medicine”

This study found that many effects previously thought to be caused by circadian rhythm disruption in Bmal1 knockout mice are actually due to BMAL1's properties unrelated to its clock function.

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Community Join

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community Why does the age of hair loss matter?

38 upvotes 2 weeks ago

Age affects hair loss severity and treatment effectiveness, with younger individuals often experiencing more aggressive loss but potentially better regrowth due to less follicle miniaturization. Treatments like finasteride and minoxidil are commonly used, and early intervention is crucial for better outcomes.

community Age 17 August 2025 to Age 18 August 2026

37 upvotes 3 weeks ago

The user has been using finasteride 0.5mg for 10 months and minoxidil inconsistently, noticing hair stabilization and slight thickening. They stopped using heat on their hair, which improved hair health, and experienced initial hair shedding but saw improvement around three months in.

community Age 54: Fin (1mg daily) - 6 months. Minoxidil

in Treatment 9 upvotes 3 weeks ago

A 54-year-old started taking finasteride daily for 6 months and recently added oral minoxidil to address hair thinning at the crown. Opinions vary on the effectiveness, with some suggesting improvement is possible, while others are skeptical due to age and treatment limitations.

community Aged 51 testimony on hair recovery

15 upvotes 6 months ago

A 51-year-old shared their hair recovery journey using finasteride, minoxidil, and dermarolling, noting significant improvement in hairline and temple areas. They emphasize consistency and patience, while another user suggests adding topical kx-826 and melatonin for additional benefits.

community AGA/male pattern baldness and loss of hair in the past 6months

52 upvotes 7 months ago

A 25-year-old male experienced significant hair loss due to telogen effluvium and androgenetic alopecia. He began using finasteride, minoxidil, and vitamins, seeing some regrowth but remains worried about hair density.

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Learn

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learn Agar

learn Hair Transplant

Does age affect the success of hair transplantation? Age can influence hair transplant success, but health and donor hair quality are more critical.
What is the best age for a hair transplant? The best age for a hair transplant is typically between 25 and 45 years.
Is there an age limit for hair transplantation? There is no strict age limit for hair transplantation, but ideal candidates are typically between 25 and 65.

learn Ceramide AG

learn Chelating agents

learn Scalp Micropigmentation

Is there an age limit for scalp micropigmentation? Most providers say there is no upper age limit for scalp micropigmentation, and about half set a minimum of 18, matching tattoo law in the UK and most US states. A minority advertise lower minimums with parental consent, which may not be legal where you live.

learn Biotin

Biotinyl-GHK: a miracle ingredient against hair loss? Biotinyl-GHK (biotinoyl tripeptide-1) is a cosmetic ingredient, not an approved hair-loss medicine; the published studies test it only inside multi-ingredient complexes such as Procapil, so no result can be attributed to the peptide itself.