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Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Low doses of some substances can be beneficial, while high doses can be harmful or toxic.

Finasteride effectively treats baldness but may cause sexual side effects.

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.

New targets for making and using brain-synthesized steroids could lead to better treatments for brain disorders and alcoholism.

Fibroblast growth factor receptor signaling controls cell development and repair, and its malfunction can cause disorders and cancer, but it also offers potential for targeted therapies.

Zinc is crucial for nutrition, especially in patients with specific health conditions, and requires careful supplementation and monitoring.

Lignans and neolignans from plants may help protect against various health issues, including cancer and heart disease.

Too much Smad7 can cause serious changes in skin tissues, including problems with hair growth, thymus shrinkage, and eye development issues.

Minoxidil is the only FDA-approved topical drug for treating male or female pattern hair loss, and other medications like finasteride and dutasteride can also increase hair growth.

Olive oil compounds may help prevent cancer in animals, but human results are mixed.

Male hormones and their receptors play a key role in hair loss and skin health, with potential new treatments being explored.

Dutasteride may help stabilize Frontal Fibrosing Alopecia, but more research is needed.

Thymosin β4 promotes hair growth by activating stem cells in hair follicles.

The sebaceous gland has more roles than just producing sebum and contributing to acne, and new research could lead to better skin disease treatments.

Polygonum multiflorum extract helps grow hair by activating certain hair growth signals in mice.

Targeted cancer therapies often cause skin reactions, so dermatologists must manage these effects.

Minoxidil and finasteride effectively treat hair loss.

Older adults have a high rate of skin cancers like basal cell carcinoma and melanoma, mainly due to UV exposure and age.

Green tea may help with health issues like cancer, heart disease, and weight loss due to its high catechin content.

The document concludes that minoxidil and finasteride are proven for hair growth, herbal remedies show promise, but more research is needed to confirm their effectiveness.

Targeting the skin's endocannabinoid system could help treat skin disorders.

Zinc deficiency in children can cause skin issues and can be serious if not diagnosed and treated properly.

Some heart drugs show promise for other conditions, but more research is needed to confirm their effectiveness and safety.

Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.

The document explains how the male reproductive system works, its role in making testosterone, and how conditions like obesity can disrupt it, leading to low testosterone and fertility issues.

People with diabetes or obesity should manage their conditions carefully as they have a higher risk of severe COVID-19.

New LPA receptors (LPA4, LPA5, LPA6) have diverse roles in the body.

Black ethnicity, prior PSA tests, enlarged prostate, and family history increase prostate cancer risk; Asian ethnicity, obesity, smoking, diabetes, and less sexual activity or no children decrease risk.