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Oral and maxillofacial surgery has advanced with fluoride reducing tooth decay and high-speed handpieces aiding in more aesthetic procedures, leading to changes in practice and training.

Three patients suffered severe health issues due to not getting enough vitamins and minerals after weight-loss surgery.

Some migraine sufferers had no more headaches after getting a hair transplant.

Orthognathic surgeons play a key role in modifying masculine facial features to be more feminine, often improving transgender women's quality of life.

Methotrexate is effective for treating rheumatoid arthritis but requires regular monitoring.

A woman with Parry-Romberg syndrome developed new curly hair on one side of her scalp, a condition not previously linked to the syndrome.

A heart transplant patient developed a skin condition called epidermodysplasia verruciformis after taking immune-suppressing drugs.

A woman was injured by a hedgehog falling on her, causing skin lesions but no disease.

Hair restoration surgery is improving, with less painful techniques like FUE and robotic systems, but they can be costly and require training.

Wound healing is complex and requires more research to enhance treatment methods.

The CO₂ laser is better for hair transplantation because it causes less damage than the Ho:YAG laser.

Drug companies were interested in advertising directly to consumers to make back their money, but most didn't think it would help and were concerned about negative effects.

Alopecia areata often starts around age 23, can be permanent in 30% of cases, and treatments are usually temporary.

Diagnosing and treating skin conditions is challenging, especially when drug reactions mimic other diseases.

Finasteride may cause depression, suicidal thoughts, and sexual side effects.

Phototrichogram helps assess hair loss severity.

The PIRL laser cuts tissue with less damage and scarring than traditional methods.

Hair growth is cyclic and influenced mainly by local factors.

Epithelial stem cells are crucial for tissue renewal and repair, and understanding them could improve treatments for damage and cancer.

Stress can worsen skin and hair conditions by affecting the skin's immune response and hormone levels.

Apoptosis is essential for human skin development and forming a functional epidermis.

Alopecia areata is an autoimmune condition causing hair loss due to the immune system attacking hair follicles, often influenced by genetics and stress.

The mutated hairless gene causes hair loss by acting as a new type of corepressor affecting thyroid hormone receptors.

Bone Morphogenetic Proteins (BMPs) help control skin health, hair growth, and color, and could potentially be used to treat skin and hair disorders.

Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.

CDP is crucial for lung and hair follicle cell development.

Stem cell niches support, regulate, and coordinate stem cell functions.

TGF-β is crucial for controlling stem cell behavior and changes in its signaling can lead to diseases like cancer.

Methotrexate treats various disorders by inhibiting DNA synthesis, but careful monitoring is needed to avoid toxicity and manage side effects.

Estrogen therapy can reduce skin aging but has cancer risks.